diff --git a/src/main/kotlin/dsm/pick2024/domain/afterschool/service/SaveAfterSchoolStudentService.kt b/src/main/kotlin/dsm/pick2024/domain/afterschool/service/SaveAfterSchoolStudentService.kt
index 71e946be..293d4c3c 100644
--- a/src/main/kotlin/dsm/pick2024/domain/afterschool/service/SaveAfterSchoolStudentService.kt
+++ b/src/main/kotlin/dsm/pick2024/domain/afterschool/service/SaveAfterSchoolStudentService.kt
@@ -22,11 +22,11 @@ class SaveAfterSchoolStudentService(
                 val user = findByStudentNumPort.findByStudentNum(grade, classNum, num)
                 AfterSchoolStudent(
                     id = null,
-                    userId = user!!.id!!,
+                    userId = user!!.id,
                     grade = grade,
                     classNum = classNum,
                     num = num,
-                    name = user!!.name,
+                    name = user.name,
                     status1 = Status.ATTENDANCE,
                     status2 = Status.ATTENDANCE,
                     status3 = Status.ATTENDANCE
diff --git a/src/main/kotlin/dsm/pick2024/domain/attendance/domain/Attendance.kt b/src/main/kotlin/dsm/pick2024/domain/attendance/domain/Attendance.kt
new file mode 100644
index 00000000..d68cf991
--- /dev/null
+++ b/src/main/kotlin/dsm/pick2024/domain/attendance/domain/Attendance.kt
@@ -0,0 +1,19 @@
+package dsm.pick2024.domain.attendance.domain
+
+import dsm.pick2024.domain.afterschool.enums.Status
+import java.util.*
+
+data class Attendance(
+    val id: UUID? = null,
+    val userId: UUID,
+    val grade: Int,
+    val classNum: Int,
+    val num: Int,
+    val name: String,
+    val club: String,
+    val period6: Status,
+    val period7: Status,
+    val period8: Status,
+    val period9: Status,
+    val period10: Status
+)
diff --git a/src/main/kotlin/dsm/pick2024/domain/attendance/entity/AttendanceJpaEntity.kt b/src/main/kotlin/dsm/pick2024/domain/attendance/entity/AttendanceJpaEntity.kt
new file mode 100644
index 00000000..2eebadd0
--- /dev/null
+++ b/src/main/kotlin/dsm/pick2024/domain/attendance/entity/AttendanceJpaEntity.kt
@@ -0,0 +1,36 @@
+package dsm.pick2024.domain.attendance.entity
+
+import dsm.pick2024.domain.afterschool.enums.Status
+import dsm.pick2024.global.base.BaseUUIDEntity
+import java.util.UUID
+import javax.persistence.Column
+import javax.persistence.Entity
+import javax.persistence.EnumType
+import javax.persistence.Enumerated
+
+@Entity(name = "tbl_attendance")
+class AttendanceJpaEntity(
+    id: UUID?,
+    @Column(columnDefinition = "BINARY(16)")
+    val userId: UUID,
+    @Column(nullable = false)
+    val name: String,
+    @Column(nullable = false)
+    val grade: Int,
+    @Column(name = "class_num", nullable = false)
+    val classNum: Int,
+    @Column(nullable = false)
+    val num: Int,
+    @Column(name = "club")
+    val club: String? = null,
+    @Enumerated(value = EnumType.STRING)
+    val period6: Status,
+    @Enumerated(value = EnumType.STRING)
+    val period7: Status,
+    @Enumerated(value = EnumType.STRING)
+    val period8: Status,
+    @Enumerated(value = EnumType.STRING)
+    val period9: Status,
+    @Enumerated(value = EnumType.STRING)
+    val period10: Status
+) : BaseUUIDEntity(id)
diff --git a/src/main/kotlin/dsm/pick2024/domain/attendance/mapper/AttendanceMapper.kt b/src/main/kotlin/dsm/pick2024/domain/attendance/mapper/AttendanceMapper.kt
new file mode 100644
index 00000000..f886a4ad
--- /dev/null
+++ b/src/main/kotlin/dsm/pick2024/domain/attendance/mapper/AttendanceMapper.kt
@@ -0,0 +1,45 @@
+package dsm.pick2024.domain.attendance.mapper
+
+import dsm.pick2024.domain.attendance.domain.Attendance
+import dsm.pick2024.domain.attendance.entity.AttendanceJpaEntity
+import dsm.pick2024.global.base.GenericMapper
+import org.springframework.stereotype.Component
+
+@Component
+class AttendanceMapper : GenericMapper<AttendanceJpaEntity, Attendance> {
+    override fun toEntity(domain: Attendance) =
+        domain.run {
+            AttendanceJpaEntity(
+                id = id,
+                userId = userId,
+                grade = grade,
+                classNum = classNum,
+                num = num,
+                name = name,
+                club = club,
+                period6 = period6,
+                period7 = period7,
+                period8 = period8,
+                period9 = period9,
+                period10 = period10
+            )
+        }
+
+    override fun toDomain(entity: AttendanceJpaEntity) =
+        entity.run {
+            Attendance(
+                id = id,
+                userId = userId,
+                grade = grade,
+                classNum = classNum,
+                num = num,
+                name = name,
+                club = club!!,
+                period6 = period6,
+                period7 = period7,
+                period8 = period8,
+                period9 = period9,
+                period10 = period10
+            )
+        }
+}
diff --git a/src/main/kotlin/dsm/pick2024/domain/attendance/persistence/AttendancePersistenceAdapter.kt b/src/main/kotlin/dsm/pick2024/domain/attendance/persistence/AttendancePersistenceAdapter.kt
new file mode 100644
index 00000000..cf4df06c
--- /dev/null
+++ b/src/main/kotlin/dsm/pick2024/domain/attendance/persistence/AttendancePersistenceAdapter.kt
@@ -0,0 +1,24 @@
+package dsm.pick2024.domain.attendance.persistence
+
+import com.querydsl.jpa.impl.JPAQueryFactory
+import dsm.pick2024.domain.attendance.domain.Attendance
+import dsm.pick2024.domain.attendance.mapper.AttendanceMapper
+import dsm.pick2024.domain.attendance.persistence.repository.AttendanceRepository
+import dsm.pick2024.domain.attendance.port.out.AttendancePort
+import org.springframework.stereotype.Component
+import java.util.*
+
+@Component
+class AttendancePersistenceAdapter(
+    private val attendanceJpaRepository: AttendanceRepository,
+    private val attendanceMapper: AttendanceMapper,
+    private val jpaQueryFactory: JPAQueryFactory
+) : AttendancePort {
+    override fun saveAll(attendance: MutableList<Attendance>) {
+        val entities = attendance.map { attendanceMapper.toEntity(it) }
+        attendanceJpaRepository.saveAll(entities)
+    }
+
+    override fun findByUserId(userId: UUID) =
+        attendanceJpaRepository.findByUserId(userId).let { attendanceMapper.toDomain(it) }
+}
diff --git a/src/main/kotlin/dsm/pick2024/domain/attendance/persistence/repository/AttendanceRepository.kt b/src/main/kotlin/dsm/pick2024/domain/attendance/persistence/repository/AttendanceRepository.kt
new file mode 100644
index 00000000..6fe5a0f7
--- /dev/null
+++ b/src/main/kotlin/dsm/pick2024/domain/attendance/persistence/repository/AttendanceRepository.kt
@@ -0,0 +1,11 @@
+package dsm.pick2024.domain.attendance.persistence.repository
+
+import dsm.pick2024.domain.attendance.entity.AttendanceJpaEntity
+import org.springframework.data.repository.Repository
+import java.util.UUID
+
+interface AttendanceRepository : Repository<AttendanceJpaEntity, UUID> {
+    fun saveAll(entity: Iterable<AttendanceJpaEntity>)
+
+    fun findByUserId(userId: UUID): AttendanceJpaEntity
+}
diff --git a/src/main/kotlin/dsm/pick2024/domain/attendance/port/in/ChangeAttendanceUseCase.kt b/src/main/kotlin/dsm/pick2024/domain/attendance/port/in/ChangeAttendanceUseCase.kt
new file mode 100644
index 00000000..d3c6202c
--- /dev/null
+++ b/src/main/kotlin/dsm/pick2024/domain/attendance/port/in/ChangeAttendanceUseCase.kt
@@ -0,0 +1,7 @@
+package dsm.pick2024.domain.attendance.port.`in`
+
+import dsm.pick2024.domain.attendance.presentation.dto.request.ChangeAttendanceRequest
+
+interface ChangeAttendanceUseCase {
+    fun changeAttendance(request: List<ChangeAttendanceRequest>)
+}
diff --git a/src/main/kotlin/dsm/pick2024/domain/attendance/port/in/SaveAllAttendanceUseCase.kt b/src/main/kotlin/dsm/pick2024/domain/attendance/port/in/SaveAllAttendanceUseCase.kt
new file mode 100644
index 00000000..04ab706f
--- /dev/null
+++ b/src/main/kotlin/dsm/pick2024/domain/attendance/port/in/SaveAllAttendanceUseCase.kt
@@ -0,0 +1,5 @@
+package dsm.pick2024.domain.attendance.port.`in`
+
+interface SaveAllAttendanceUseCase {
+    fun saveAll(key: String)
+}
diff --git a/src/main/kotlin/dsm/pick2024/domain/attendance/port/out/AttendancePort.kt b/src/main/kotlin/dsm/pick2024/domain/attendance/port/out/AttendancePort.kt
new file mode 100644
index 00000000..f3d2577a
--- /dev/null
+++ b/src/main/kotlin/dsm/pick2024/domain/attendance/port/out/AttendancePort.kt
@@ -0,0 +1,5 @@
+package dsm.pick2024.domain.attendance.port.out
+
+interface AttendancePort :
+    SaveAll,
+    FindByUserIdPort
diff --git a/src/main/kotlin/dsm/pick2024/domain/attendance/port/out/FindByUserIdPort.kt b/src/main/kotlin/dsm/pick2024/domain/attendance/port/out/FindByUserIdPort.kt
new file mode 100644
index 00000000..0ad4af6c
--- /dev/null
+++ b/src/main/kotlin/dsm/pick2024/domain/attendance/port/out/FindByUserIdPort.kt
@@ -0,0 +1,8 @@
+package dsm.pick2024.domain.attendance.port.out
+
+import dsm.pick2024.domain.attendance.domain.Attendance
+import java.util.UUID
+
+interface FindByUserIdPort {
+    fun findByUserId(userId: UUID): Attendance?
+}
diff --git a/src/main/kotlin/dsm/pick2024/domain/attendance/port/out/SaveAll.kt b/src/main/kotlin/dsm/pick2024/domain/attendance/port/out/SaveAll.kt
new file mode 100644
index 00000000..149106ef
--- /dev/null
+++ b/src/main/kotlin/dsm/pick2024/domain/attendance/port/out/SaveAll.kt
@@ -0,0 +1,7 @@
+package dsm.pick2024.domain.attendance.port.out
+
+import dsm.pick2024.domain.attendance.domain.Attendance
+
+interface SaveAll {
+    fun saveAll(attendance: MutableList<Attendance>)
+}
diff --git a/src/main/kotlin/dsm/pick2024/domain/attendance/presentation/AttendanceController.kt b/src/main/kotlin/dsm/pick2024/domain/attendance/presentation/AttendanceController.kt
new file mode 100644
index 00000000..a262507a
--- /dev/null
+++ b/src/main/kotlin/dsm/pick2024/domain/attendance/presentation/AttendanceController.kt
@@ -0,0 +1,31 @@
+package dsm.pick2024.domain.attendance.presentation
+
+import dsm.pick2024.domain.attendance.port.`in`.ChangeAttendanceUseCase
+import dsm.pick2024.domain.attendance.port.`in`.SaveAllAttendanceUseCase
+import dsm.pick2024.domain.attendance.presentation.dto.request.ChangeAttendanceRequest
+import io.swagger.v3.oas.annotations.Operation
+import io.swagger.v3.oas.annotations.tags.Tag
+import org.springframework.web.bind.annotation.PatchMapping
+import org.springframework.web.bind.annotation.PostMapping
+import org.springframework.web.bind.annotation.RequestMapping
+import org.springframework.web.bind.annotation.RequestParam
+import org.springframework.web.bind.annotation.RestController
+
+@Tag(name = "attendance API")
+@RestController
+@RequestMapping("/attendance")
+class AttendanceController(
+    private val saveAllAttendanceUseCase: SaveAllAttendanceUseCase,
+    private val changeAttendanceUseCase: ChangeAttendanceUseCase
+) {
+
+    @Operation(summary = "데이터 저장 api")
+    @PostMapping("/all")
+    fun all(@RequestParam(name = "key") key: String) =
+        saveAllAttendanceUseCase.saveAll(key)
+
+    @Operation(summary = "자습 or 방과후 상태관리")
+    @PatchMapping("/modify")
+    fun changeAttendance(changeAttendanceRequest: List<ChangeAttendanceRequest>) =
+        changeAttendanceUseCase.changeAttendance(changeAttendanceRequest)
+}
diff --git a/src/main/kotlin/dsm/pick2024/domain/attendance/presentation/dto/request/ChangeAttendanceRequest.kt b/src/main/kotlin/dsm/pick2024/domain/attendance/presentation/dto/request/ChangeAttendanceRequest.kt
new file mode 100644
index 00000000..0bf9cd0c
--- /dev/null
+++ b/src/main/kotlin/dsm/pick2024/domain/attendance/presentation/dto/request/ChangeAttendanceRequest.kt
@@ -0,0 +1,9 @@
+package dsm.pick2024.domain.attendance.presentation.dto.request
+
+import dsm.pick2024.domain.afterschool.enums.Status
+import java.util.UUID
+
+data class ChangeAttendanceRequest(
+    val userId: UUID,
+    val statusList: List<Status>
+)
diff --git a/src/main/kotlin/dsm/pick2024/domain/attendance/service/ChangeAttendanceService.kt b/src/main/kotlin/dsm/pick2024/domain/attendance/service/ChangeAttendanceService.kt
new file mode 100644
index 00000000..ba2453e1
--- /dev/null
+++ b/src/main/kotlin/dsm/pick2024/domain/attendance/service/ChangeAttendanceService.kt
@@ -0,0 +1,38 @@
+package dsm.pick2024.domain.attendance.service
+
+import dsm.pick2024.domain.attendance.domain.Attendance
+import dsm.pick2024.domain.attendance.port.`in`.ChangeAttendanceUseCase
+import dsm.pick2024.domain.attendance.port.out.FindByUserIdPort
+import dsm.pick2024.domain.attendance.port.out.SaveAll
+import dsm.pick2024.domain.attendance.presentation.dto.request.ChangeAttendanceRequest
+import dsm.pick2024.domain.user.exception.UserNotFoundException
+import org.springframework.stereotype.Service
+import org.springframework.transaction.annotation.Transactional
+
+@Service
+class ChangeAttendanceService(
+    private val saveAll: SaveAll,
+    private val findByUserIdPort: FindByUserIdPort
+) : ChangeAttendanceUseCase {
+
+    @Transactional
+    override fun changeAttendance(request: List<ChangeAttendanceRequest>) {
+        val update = mutableListOf<Attendance>()
+
+        request.map {
+                it ->
+            val attendance = findByUserIdPort.findByUserId(it.userId)
+                ?: throw UserNotFoundException
+            val list = it.statusList
+            val add = attendance.copy(
+                period6 = list.getOrElse(0) { attendance.period6 },
+                period7 = list.getOrElse(1) { attendance.period7 },
+                period8 = list.getOrElse(2) { attendance.period8 },
+                period9 = list.getOrElse(1) { attendance.period9 },
+                period10 = list.getOrElse(2) { attendance.period10 }
+            )
+            update.add(add)
+        }
+        saveAll.saveAll(update)
+    }
+}
diff --git a/src/main/kotlin/dsm/pick2024/domain/attendance/service/SaveAllAttendanceSaveAllUserService.kt b/src/main/kotlin/dsm/pick2024/domain/attendance/service/SaveAllAttendanceSaveAllUserService.kt
new file mode 100644
index 00000000..603e8977
--- /dev/null
+++ b/src/main/kotlin/dsm/pick2024/domain/attendance/service/SaveAllAttendanceSaveAllUserService.kt
@@ -0,0 +1,38 @@
+package dsm.pick2024.domain.attendance.service
+
+import dsm.pick2024.domain.afterschool.enums.Status
+import dsm.pick2024.domain.attendance.domain.Attendance
+import dsm.pick2024.domain.attendance.port.`in`.SaveAllAttendanceUseCase
+import dsm.pick2024.domain.attendance.port.out.SaveAll
+import dsm.pick2024.infrastructure.feign.client.XquareFeignClient
+import org.springframework.stereotype.Service
+import org.springframework.transaction.annotation.Transactional
+
+@Service
+class SaveAllAttendanceSaveAllUserService(
+    private val saveAll: SaveAll,
+    private val xquareFeignClient: XquareFeignClient
+) : SaveAllAttendanceUseCase {
+
+    @Transactional
+    override fun saveAll(key: String) {
+        val xquare = xquareFeignClient.userAll(key)
+        val entity = xquare.map {
+                it ->
+            Attendance(
+                userId = it.id,
+                name = it.name,
+                grade = it.grade,
+                classNum = it.classNum,
+                num = it.num,
+                club = it.club,
+                period6 = Status.ATTENDANCE,
+                period7 = Status.ATTENDANCE,
+                period8 = Status.ATTENDANCE,
+                period9 = Status.ATTENDANCE,
+                period10 = Status.ATTENDANCE
+            )
+        }.toMutableList()
+        saveAll.saveAll(entity)
+    }
+}
diff --git a/src/main/kotlin/dsm/pick2024/infrastructure/feign/client/response/XquareResponse.kt b/src/main/kotlin/dsm/pick2024/infrastructure/feign/client/response/XquareResponse.kt
index 2360f1d2..1728f1e0 100644
--- a/src/main/kotlin/dsm/pick2024/infrastructure/feign/client/response/XquareResponse.kt
+++ b/src/main/kotlin/dsm/pick2024/infrastructure/feign/client/response/XquareResponse.kt
@@ -12,5 +12,6 @@ data class XquareResponse(
     val classNum: Int,
     val num: Int,
     val userRole: String,
+    val clubName: String,
     val birthDay: LocalDate
 )
diff --git a/src/main/kotlin/dsm/pick2024/infrastructure/feign/client/response/XquareUserAllResponse.kt b/src/main/kotlin/dsm/pick2024/infrastructure/feign/client/response/XquareUserAllResponse.kt
index 69e709e6..cafe6f1a 100644
--- a/src/main/kotlin/dsm/pick2024/infrastructure/feign/client/response/XquareUserAllResponse.kt
+++ b/src/main/kotlin/dsm/pick2024/infrastructure/feign/client/response/XquareUserAllResponse.kt
@@ -7,5 +7,6 @@ data class XquareUserAllResponse(
     val name: String,
     val grade: Int,
     val classNum: Int,
-    val num: Int
+    val num: Int,
+    val club: String
 )