diff --git a/core/data/src/main/java/com/android/mediproject/core/data/remote/interestedmedicine/InterestedMedicineRepository.kt b/core/data/src/main/java/com/android/mediproject/core/data/remote/interestedmedicine/InterestedMedicineRepository.kt
index d82fe7bc2..c906ff667 100644
--- a/core/data/src/main/java/com/android/mediproject/core/data/remote/interestedmedicine/InterestedMedicineRepository.kt
+++ b/core/data/src/main/java/com/android/mediproject/core/data/remote/interestedmedicine/InterestedMedicineRepository.kt
@@ -1,9 +1,19 @@
 package com.android.mediproject.core.data.remote.interestedmedicine
 
 
+import com.android.mediproject.core.model.medicine.InterestedMedicine.AddInterestedMedicineResponse
+import com.android.mediproject.core.model.medicine.InterestedMedicine.DeleteInterestedMedicineResponse
 import com.android.mediproject.core.model.medicine.InterestedMedicine.InterestedMedicineListResponse
+import com.android.mediproject.core.model.medicine.InterestedMedicine.IsInterestedMedicineResponse
+import com.android.mediproject.core.model.requestparameters.AddInterestedMedicineParameter
 import kotlinx.coroutines.flow.Flow
 
 interface InterestedMedicineRepository {
-    suspend fun getInterestedMedicineList() : Flow<Result<List<InterestedMedicineListResponse.Medicine>>>
+    suspend fun getInterestedMedicineList(): Flow<Result<List<InterestedMedicineListResponse.Medicine>>>
+
+    fun addInterestedMedicine(addInterestedMedicineParameter: AddInterestedMedicineParameter): Flow<Result<AddInterestedMedicineResponse>>
+
+    fun deleteInterestedMedicine(medicineId: Long): Flow<Result<DeleteInterestedMedicineResponse>>
+
+    fun isInterestedMedicine(itemSeq: Long): Flow<Result<IsInterestedMedicineResponse>>
 }
\ No newline at end of file
diff --git a/core/data/src/main/java/com/android/mediproject/core/data/remote/interestedmedicine/InterestedMedicineRepositoryImpl.kt b/core/data/src/main/java/com/android/mediproject/core/data/remote/interestedmedicine/InterestedMedicineRepositoryImpl.kt
index f3968ff98..dc93f2799 100644
--- a/core/data/src/main/java/com/android/mediproject/core/data/remote/interestedmedicine/InterestedMedicineRepositoryImpl.kt
+++ b/core/data/src/main/java/com/android/mediproject/core/data/remote/interestedmedicine/InterestedMedicineRepositoryImpl.kt
@@ -1,6 +1,10 @@
 package com.android.mediproject.core.data.remote.interestedmedicine
 
+import com.android.mediproject.core.model.medicine.InterestedMedicine.AddInterestedMedicineResponse
+import com.android.mediproject.core.model.medicine.InterestedMedicine.DeleteInterestedMedicineResponse
 import com.android.mediproject.core.model.medicine.InterestedMedicine.InterestedMedicineListResponse
+import com.android.mediproject.core.model.medicine.InterestedMedicine.IsInterestedMedicineResponse
+import com.android.mediproject.core.model.requestparameters.AddInterestedMedicineParameter
 import com.android.mediproject.core.network.datasource.interestedmedicine.InterestedMedicineDataSource
 import kotlinx.coroutines.flow.Flow
 import kotlinx.coroutines.flow.channelFlow
@@ -11,12 +15,18 @@ import javax.inject.Inject
 
 class InterestedMedicineRepositoryImpl @Inject constructor(private val interestedMedicineDataSource: InterestedMedicineDataSource) :
     InterestedMedicineRepository {
-    override suspend fun getInterestedMedicineList(): Flow<Result<List<InterestedMedicineListResponse.Medicine>>> =
-        channelFlow {
-            interestedMedicineDataSource.getInterestedMedicineList().map { result ->
-                result.fold(
-                    onSuccess = { Result.success(it.medicineList) },
-                    onFailure = { Result.failure(it) })
-            }.collectLatest { trySend(it) }
-        }
+    override suspend fun getInterestedMedicineList(): Flow<Result<List<InterestedMedicineListResponse.Medicine>>> = channelFlow {
+        interestedMedicineDataSource.getInterestedMedicineList().map { result ->
+            result.fold(onSuccess = { Result.success(it.medicineList) }, onFailure = { Result.failure(it) })
+        }.collectLatest { trySend(it) }
+    }
+
+    override fun addInterestedMedicine(addInterestedMedicineParameter: AddInterestedMedicineParameter): Flow<Result<AddInterestedMedicineResponse>> =
+        interestedMedicineDataSource.addInterestedMedicine(addInterestedMedicineParameter)
+
+    override fun deleteInterestedMedicine(medicineId: Long): Flow<Result<DeleteInterestedMedicineResponse>> =
+        interestedMedicineDataSource.deleteInterestedMedicine(medicineId)
+
+    override fun isInterestedMedicine(itemSeq: Long): Flow<Result<IsInterestedMedicineResponse>> =
+        interestedMedicineDataSource.isInterestedMedicine(itemSeq)
 }
\ No newline at end of file
diff --git a/core/domain/src/main/java/com/android/mediproject/core/domain/GetInterestedMedicineUseCase.kt b/core/domain/src/main/java/com/android/mediproject/core/domain/GetInterestedMedicineUseCase.kt
index f4b5cd0cf..6379b30d7 100644
--- a/core/domain/src/main/java/com/android/mediproject/core/domain/GetInterestedMedicineUseCase.kt
+++ b/core/domain/src/main/java/com/android/mediproject/core/domain/GetInterestedMedicineUseCase.kt
@@ -1,7 +1,12 @@
 package com.android.mediproject.core.domain
 
 import com.android.mediproject.core.data.remote.interestedmedicine.InterestedMedicineRepository
+import com.android.mediproject.core.model.medicine.InterestedMedicine.AddInterestedMedicineResponse
+import com.android.mediproject.core.model.medicine.InterestedMedicine.DeleteInterestedMedicineResponse
+import com.android.mediproject.core.model.medicine.InterestedMedicine.IsInterestedMedicineResponse
 import com.android.mediproject.core.model.medicine.InterestedMedicine.toInterestedMedicineDto
+import com.android.mediproject.core.model.requestparameters.AddInterestedMedicineParameter
+import kotlinx.coroutines.flow.Flow
 import kotlinx.coroutines.flow.channelFlow
 import kotlinx.coroutines.flow.collectLatest
 import kotlinx.coroutines.flow.map
@@ -11,9 +16,25 @@ class GetInterestedMedicineUseCase @Inject constructor(private val interestedMed
 
     suspend fun getInterestedMedicineList() = channelFlow {
         interestedMedicineRepository.getInterestedMedicineList().map { result ->
-            result.fold(
-                onSuccess = { Result.success(it.map { it.toInterestedMedicineDto() }) },
-                onFailure = { Result.failure(it) })
+            result.fold(onSuccess = { Result.success(it.map { it.toInterestedMedicineDto() }) }, onFailure = { Result.failure(it) })
         }.collectLatest { trySend(it) }
     }
+
+    /**
+     * 관심 약 추가
+     */
+    fun addInterestedMedicine(addInterestedMedicineParameter: AddInterestedMedicineParameter): Flow<Result<AddInterestedMedicineResponse>> =
+        interestedMedicineRepository.addInterestedMedicine(addInterestedMedicineParameter)
+
+    /**
+     * 관심 약 삭제
+     */
+    fun deleteInterestedMedicine(medicineId: Long): Flow<Result<DeleteInterestedMedicineResponse>> =
+        interestedMedicineRepository.deleteInterestedMedicine(medicineId)
+
+    /**
+     * 관심 약 여부 확인
+     */
+    fun isInterestedMedicine(medicineId: Long): Flow<Result<IsInterestedMedicineResponse>> =
+        interestedMedicineRepository.isInterestedMedicine(medicineId)
 }
\ No newline at end of file