diff --git a/backend/pirocheck/src/main/java/backend/pirocheck/Deposit/entity/Deposit.java b/backend/pirocheck/src/main/java/backend/pirocheck/Deposit/entity/Deposit.java
index 139e385..a0431e6 100644
--- a/backend/pirocheck/src/main/java/backend/pirocheck/Deposit/entity/Deposit.java
+++ b/backend/pirocheck/src/main/java/backend/pirocheck/Deposit/entity/Deposit.java
@@ -2,13 +2,11 @@
 
 import backend.pirocheck.User.entity.User;
 import jakarta.persistence.*;
-import lombok.AllArgsConstructor;
-import lombok.Builder;
-import lombok.Getter;
-import lombok.NoArgsConstructor;
+import lombok.*;
 
 @Entity
 @Getter
+@Setter
 @NoArgsConstructor
 @AllArgsConstructor
 @Builder
@@ -37,4 +35,12 @@ public void updateAmounts(int descentAssignment, int descentAttendance, int asce
         this.amount = Math.min(calculateAmount, 120000);  // 12만원 넘어가지 않도록
     }
 
+    // 방어권 업데이트
+    public void updateDefence(int newAscentDefence) {
+        this.ascentDefence = newAscentDefence;
+        int calculateAmount = 120000 - this.descentAssignment - this.descentAttendance + newAscentDefence;
+        this.amount = Math.min(calculateAmount, 120000);
+
+    }
+
 }
diff --git a/backend/pirocheck/src/main/java/backend/pirocheck/ManageStudents/Controller/ManageStudentsController.java b/backend/pirocheck/src/main/java/backend/pirocheck/ManageStudents/Controller/ManageStudentsController.java
new file mode 100644
index 0000000..043b571
--- /dev/null
+++ b/backend/pirocheck/src/main/java/backend/pirocheck/ManageStudents/Controller/ManageStudentsController.java
@@ -0,0 +1,37 @@
+package backend.pirocheck.ManageStudents.Controller;
+
+import backend.pirocheck.ManageStudents.dto.request.DefenceUpdateReqDto;
+import backend.pirocheck.ManageStudents.dto.response.ManageStudentDetailResDto;
+import backend.pirocheck.ManageStudents.dto.response.ManageStudentsListResDto;
+import backend.pirocheck.ManageStudents.service.ManageStudentsService;
+import lombok.RequiredArgsConstructor;
+import org.springframework.web.bind.annotation.*;
+
+import java.util.List;
+
+@RestController
+@RequestMapping("/api/admin/managestudent")
+@RequiredArgsConstructor
+public class ManageStudentsController {
+
+    private final ManageStudentsService manageStudentsService;
+
+    // 수강생 리스트 조회
+    @GetMapping("")
+    public List<ManageStudentsListResDto> getStudents(@RequestParam(required = false) String name) {
+        return manageStudentsService.searchMembers(name);
+    }
+
+    // 수강생 상세 조회
+    @GetMapping("/{studentId}")
+    public ManageStudentDetailResDto getStudentDetail(@PathVariable Long studentId) {
+        return manageStudentsService.getMemberDetail(studentId);
+    }
+
+    // 방어권 업데이트
+    @PatchMapping("/{studentId}/defence")
+    public void updateDefence(@PathVariable Long studentId, @RequestBody DefenceUpdateReqDto req) {
+        manageStudentsService.updateDefence(studentId, req.getDefence());
+    }
+
+}
diff --git a/backend/pirocheck/src/main/java/backend/pirocheck/ManageStudents/dto/request/DefenceUpdateReqDto.java b/backend/pirocheck/src/main/java/backend/pirocheck/ManageStudents/dto/request/DefenceUpdateReqDto.java
new file mode 100644
index 0000000..78e39f7
--- /dev/null
+++ b/backend/pirocheck/src/main/java/backend/pirocheck/ManageStudents/dto/request/DefenceUpdateReqDto.java
@@ -0,0 +1,11 @@
+package backend.pirocheck.ManageStudents.dto.request;
+
+
+import lombok.Getter;
+import lombok.Setter;
+
+@Getter
+@Setter
+public class DefenceUpdateReqDto {
+    private int defence;
+}
diff --git a/backend/pirocheck/src/main/java/backend/pirocheck/ManageStudents/dto/response/ManageStudentDetailResDto.java b/backend/pirocheck/src/main/java/backend/pirocheck/ManageStudents/dto/response/ManageStudentDetailResDto.java
new file mode 100644
index 0000000..e5206fc
--- /dev/null
+++ b/backend/pirocheck/src/main/java/backend/pirocheck/ManageStudents/dto/response/ManageStudentDetailResDto.java
@@ -0,0 +1,16 @@
+package backend.pirocheck.ManageStudents.dto.response;
+
+import lombok.Builder;
+import lombok.Getter;
+
+import java.util.List;
+
+@Getter
+@Builder
+public class ManageStudentDetailResDto {
+
+    private String name;
+    private int deposit;
+    private int defence; // 방어권
+    private List<String> assignmentTitles; // 과제 제목 리스트
+}
diff --git a/backend/pirocheck/src/main/java/backend/pirocheck/ManageStudents/dto/response/ManageStudentsListResDto.java b/backend/pirocheck/src/main/java/backend/pirocheck/ManageStudents/dto/response/ManageStudentsListResDto.java
new file mode 100644
index 0000000..d5e028f
--- /dev/null
+++ b/backend/pirocheck/src/main/java/backend/pirocheck/ManageStudents/dto/response/ManageStudentsListResDto.java
@@ -0,0 +1,13 @@
+package backend.pirocheck.ManageStudents.dto.response;
+
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+
+@Getter
+@AllArgsConstructor
+public class ManageStudentsListResDto {
+
+    private Long id;
+    private String name;
+
+}
diff --git a/backend/pirocheck/src/main/java/backend/pirocheck/ManageStudents/service/ManageStudentsService.java b/backend/pirocheck/src/main/java/backend/pirocheck/ManageStudents/service/ManageStudentsService.java
new file mode 100644
index 0000000..e28c409
--- /dev/null
+++ b/backend/pirocheck/src/main/java/backend/pirocheck/ManageStudents/service/ManageStudentsService.java
@@ -0,0 +1,86 @@
+package backend.pirocheck.ManageStudents.service;
+
+import backend.pirocheck.Deposit.entity.Deposit;
+import backend.pirocheck.Deposit.repository.DepositRepository;
+import backend.pirocheck.ManageStudents.dto.response.ManageStudentDetailResDto;
+import backend.pirocheck.ManageStudents.dto.response.ManageStudentsListResDto;
+import backend.pirocheck.User.entity.Role;
+import backend.pirocheck.User.entity.User;
+import backend.pirocheck.User.repository.UserRepository;
+import backend.pirocheck.assignment.entity.Assignment;
+import backend.pirocheck.assignment.repository.AssignmentRepository;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+
+import java.util.List;
+import java.util.stream.Collectors;
+
+@Service
+@RequiredArgsConstructor
+public class ManageStudentsService {
+
+    private final UserRepository userRepository;
+    private final DepositRepository depositRepository;
+    private final AssignmentRepository assignmentRepository;
+
+    // 수강생 조회
+    public List<ManageStudentsListResDto> searchMembers(String name) {
+        List<User> users;
+
+        if(name == null || name.isBlank()) {
+            // 검색어가 없으면 맴버 전체 조회
+            users = userRepository.findByRole(Role.MEMBER);
+        }
+        else {
+            // 이름 검색
+            users = userRepository.findByNameContainingAndRole(name, Role.MEMBER);
+        }
+
+        return users.stream()
+                .map(user -> new ManageStudentsListResDto(user.getId(), user.getName()))
+                .collect(Collectors.toList());
+    }
+
+    // 수강생 상세 조회
+    public ManageStudentDetailResDto getMemberDetail(Long studentId) {
+        // User 조회
+        User user = userRepository.findById(studentId)
+                .orElseThrow(() -> new RuntimeException("해당 맴버가 존재하지 않습니다."));
+
+        // deposit 조회
+        Deposit deposit = depositRepository.findByUser(user);
+        if (deposit == null) {
+            throw new RuntimeException("해당 수강생의 보증금 정보가 없습니다.");
+        }
+
+        // Assignment 리스트 조회
+        List<Assignment> assignments = assignmentRepository.findByUserId(studentId);
+
+        // 과제 제목만 리스트로 변환
+        List<String> assignmentTitles = assignments.stream()
+                .map(Assignment::getAssignmentName)
+                .toList();
+
+        // ManageStudentDetailResDto 조립
+        return ManageStudentDetailResDto.builder()
+                .name(user.getName())
+                .deposit(deposit.getAmount())
+                .defence(deposit.getAscentDefence())
+                .assignmentTitles(assignmentTitles)
+                .build();
+    }
+
+    // 방어권 업데이트
+    public void updateDefence(Long studentId, int defence) {
+        User user = userRepository.findById(studentId)
+                .orElseThrow(() -> new RuntimeException("해당 수강생의 보증금 정보가 없습니다."));
+        Deposit deposit = depositRepository.findByUser(user);
+
+        // 업데이트
+        deposit.updateDefence(defence);
+
+        // 저장
+        depositRepository.save(deposit);
+
+    }
+}
diff --git a/backend/pirocheck/src/main/java/backend/pirocheck/User/exception/GlobalExceptionHandler.java b/backend/pirocheck/src/main/java/backend/pirocheck/User/exception/GlobalExceptionHandler.java
index 4fd3755..f26232f 100644
--- a/backend/pirocheck/src/main/java/backend/pirocheck/User/exception/GlobalExceptionHandler.java
+++ b/backend/pirocheck/src/main/java/backend/pirocheck/User/exception/GlobalExceptionHandler.java
@@ -16,4 +16,12 @@ public ResponseEntity<ApiResponse<?>> handleInvalidLoginException(InvalidLoginEx
                 .status(HttpStatus.UNAUTHORIZED) // 401 상태 코드
                 .body(ApiResponse.error(e.getMessage())); // 에러 메시지 전달
     }
+
+    // RuntimeException (유저관리 상세페이지)
+    @ExceptionHandler(RuntimeException.class)
+    public ResponseEntity<ApiResponse<?>> handleRuntimeException(RuntimeException ex) {
+        return ResponseEntity
+                .status(HttpStatus.BAD_REQUEST) // 404
+                .body(ApiResponse.error(ex.getMessage()));
+    }
 }
diff --git a/backend/pirocheck/src/main/java/backend/pirocheck/User/repository/UserRepository.java b/backend/pirocheck/src/main/java/backend/pirocheck/User/repository/UserRepository.java
index 9f80d25..8859494 100644
--- a/backend/pirocheck/src/main/java/backend/pirocheck/User/repository/UserRepository.java
+++ b/backend/pirocheck/src/main/java/backend/pirocheck/User/repository/UserRepository.java
@@ -12,4 +12,7 @@ public interface UserRepository extends JpaRepository<User, Long> {
     Optional<User> findByName(String name);
 
     List<User> findByRole(Role role);
+
+    // 학생 이름으로 검색기능
+    List<User> findByNameContainingAndRole(String name, Role role);
 }