diff --git a/src/main/java/com/beep/beep/domain/beep/domain/repository/querydsl/RoomRepoCustom.java b/src/main/java/com/beep/beep/domain/beep/domain/repository/querydsl/RoomRepoCustom.java
index 0ed6a8c..ea19199 100644
--- a/src/main/java/com/beep/beep/domain/beep/domain/repository/querydsl/RoomRepoCustom.java
+++ b/src/main/java/com/beep/beep/domain/beep/domain/repository/querydsl/RoomRepoCustom.java
@@ -1,9 +1,15 @@
 package com.beep.beep.domain.beep.domain.repository.querydsl;
 
 import com.beep.beep.domain.beep.presentation.dto.RoomVO;
+import com.beep.beep.domain.beep.presentation.dto.response.RoomByFloorRes;
 
 import java.util.List;
 
 public interface RoomRepoCustom {
+
     List<RoomVO> roomListByName(String name);
+
+    List<RoomByFloorRes> roomListByFloor(Integer floor);
+
 }
+
diff --git a/src/main/java/com/beep/beep/domain/beep/domain/repository/querydsl/impl/RoomRepoCustomImpl.java b/src/main/java/com/beep/beep/domain/beep/domain/repository/querydsl/impl/RoomRepoCustomImpl.java
index 1e345de..d363ae4 100644
--- a/src/main/java/com/beep/beep/domain/beep/domain/repository/querydsl/impl/RoomRepoCustomImpl.java
+++ b/src/main/java/com/beep/beep/domain/beep/domain/repository/querydsl/impl/RoomRepoCustomImpl.java
@@ -3,6 +3,7 @@
 
 import com.beep.beep.domain.beep.domain.repository.querydsl.RoomRepoCustom;
 import com.beep.beep.domain.beep.presentation.dto.RoomVO;
+import com.beep.beep.domain.beep.presentation.dto.response.RoomByFloorRes;
 import com.querydsl.core.types.Projections;
 import com.querydsl.jpa.impl.JPAQueryFactory;
 import lombok.RequiredArgsConstructor;
@@ -28,4 +29,14 @@ public List<RoomVO> roomListByName(String name) {
                 .fetch();
     }
 
+    @Override
+    public List<RoomByFloorRes> roomListByFloor(Integer floor) {
+        return query.select(Projections.constructor(RoomByFloorRes.class,
+                room.code,
+                room.name))
+                .from(room)
+                .where(room.floor.eq(floor))
+                .fetch();
+    }
+
 }
diff --git a/src/main/java/com/beep/beep/domain/beep/presentation/BeepController.java b/src/main/java/com/beep/beep/domain/beep/presentation/BeepController.java
index 46e71e1..c756e8b 100644
--- a/src/main/java/com/beep/beep/domain/beep/presentation/BeepController.java
+++ b/src/main/java/com/beep/beep/domain/beep/presentation/BeepController.java
@@ -1,6 +1,7 @@
 package com.beep.beep.domain.beep.presentation;
 
 import com.beep.beep.domain.beep.presentation.dto.request.InitializeAttendanceReq;
+import com.beep.beep.domain.beep.presentation.dto.response.RoomByFloorRes;
 import com.beep.beep.domain.beep.service.BeepService;
 import com.beep.beep.domain.beep.presentation.dto.request.EnterRoomReq;
 import com.beep.beep.domain.beep.presentation.dto.request.ExitRoomReq;
@@ -56,7 +57,7 @@ public void exitRoom(
         beepService.exit(request);
     }
 
-    @GetMapping("/rooms")
+    @GetMapping("/rooms/name")
     @Operation(summary = "실 조회", description = "실 이름으로 실을 조회합니다.(teacher)")
     public List<RoomVO> roomListByName(
             @RequestParam String name
@@ -64,6 +65,14 @@ public List<RoomVO> roomListByName(
         return beepService.roomListByName(name);
     }
 
+    @GetMapping("/rooms/floor")
+    @Operation(summary = "실 조회", description = "n층으로 실을 조회합니다.(teacher)")
+    public List<RoomByFloorRes> roomListByFloor(
+            @RequestParam Integer floor
+    ){
+        return beepService.roomListByFloor(floor);
+    }
+
     @GetMapping("/attendances")
     @Operation(summary = "출석 조회", description = "실 코드로 입실한 학생목록 조회합니다. (teacher)")
     public List<AttendanceByCodeRes> attendanceByCode(
diff --git a/src/main/java/com/beep/beep/domain/beep/presentation/dto/response/RoomByFloorRes.java b/src/main/java/com/beep/beep/domain/beep/presentation/dto/response/RoomByFloorRes.java
new file mode 100644
index 0000000..7b7e511
--- /dev/null
+++ b/src/main/java/com/beep/beep/domain/beep/presentation/dto/response/RoomByFloorRes.java
@@ -0,0 +1,12 @@
+package com.beep.beep.domain.beep.presentation.dto.response;
+
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Getter;
+
+@Getter
+@Builder @AllArgsConstructor
+public class RoomByFloorRes {
+    private String code;
+    private String name;
+}
diff --git a/src/main/java/com/beep/beep/domain/beep/service/BeepService.java b/src/main/java/com/beep/beep/domain/beep/service/BeepService.java
index 5b91974..d99012b 100644
--- a/src/main/java/com/beep/beep/domain/beep/service/BeepService.java
+++ b/src/main/java/com/beep/beep/domain/beep/service/BeepService.java
@@ -12,6 +12,7 @@
 import com.beep.beep.domain.beep.presentation.dto.request.EnterRoomReq;
 import com.beep.beep.domain.beep.presentation.dto.request.ExitRoomReq;
 import com.beep.beep.domain.beep.presentation.dto.response.AttendanceByCodeRes;
+import com.beep.beep.domain.beep.presentation.dto.response.RoomByFloorRes;
 import com.beep.beep.global.common.service.UserUtil;
 import jakarta.transaction.Transactional;
 import lombok.RequiredArgsConstructor;
@@ -62,6 +63,10 @@ public List<RoomVO> roomListByName(String name){
         return roomRepository.roomListByName(name);
     }
 
+    public List<RoomByFloorRes> roomListByFloor(Integer floor){
+        return roomRepository.roomListByFloor(floor);
+    }
+
     public List<AttendanceByCodeRes> attendanceByCode(String code){
         return attendanceRepository.attendanceListByCode(code);
     }
diff --git a/src/main/java/com/beep/beep/global/security/SecurityConfig.java b/src/main/java/com/beep/beep/global/security/SecurityConfig.java
index 679e05d..283dc91 100644
--- a/src/main/java/com/beep/beep/global/security/SecurityConfig.java
+++ b/src/main/java/com/beep/beep/global/security/SecurityConfig.java
@@ -46,7 +46,7 @@ public SecurityFilterChain configure(HttpSecurity http) throws Exception {
 
                         .requestMatchers("/beep/enter").hasAuthority(STUDENT.getAuthority())
                         .requestMatchers("/beep/exit").hasAuthority(STUDENT.getAuthority())
-                        .requestMatchers("/beep/rooms").hasAuthority(TEACHER.getAuthority())
+                        .requestMatchers("/beep/rooms/**").hasAuthority(TEACHER.getAuthority())
                         .requestMatchers(HttpMethod.POST,"/beep/attendances").permitAll()
                         .requestMatchers(HttpMethod.GET,"/beep/attendances").hasAuthority(TEACHER.getAuthority())