diff --git a/core/model/src/main/java/com/android/mediproject/core/model/favorites/FavoriteMedicinesResponse.kt b/core/model/src/main/java/com/android/mediproject/core/model/favorites/FavoriteMedicinesResponse.kt
deleted file mode 100644
index 0630dd33c..000000000
--- a/core/model/src/main/java/com/android/mediproject/core/model/favorites/FavoriteMedicinesResponse.kt
+++ /dev/null
@@ -1,22 +0,0 @@
-package com.android.mediproject.core.model.favorites
-
-
-import kotlinx.serialization.SerialName
-import kotlinx.serialization.Serializable
-
-@Serializable
-data class FavoriteMedicinesResponse(
-    @SerialName("medicineList") val medicineList: List<Medicine>,
-    @SerialName("message") val message: String
-) {
-    @Serializable
-    data class Medicine(
-        @SerialName("ENTP_NAME") val entpName: String, // (주)한국얀센
-        @SerialName("ID") val medicineId: Int, // 41
-        @SerialName("ITEM_INGR_NAME") val itemIngrName: String, // 덱스트로메토르판브롬화수소산염수화물/슈도에페드린염산염/아세트아미노펜/클로르페니라민말레인산염
-        @SerialName("ITEM_NAME") val itemName: String, // 타이레놀콜드-에스정(수출명:TylenolColdTablet,TylenolColdCaplet)
-        @SerialName("ITEM_SEQ") val itemSeq: String, // 200302348
-        @SerialName("PRDUCT_TYPE") val productType: String, // [01140]해열.진통.소염제
-        @SerialName("SPCLTY_PBLC") val medicineType: String
-    )
-}
\ No newline at end of file
diff --git a/core/model/src/main/java/com/android/mediproject/core/model/favorites/AddFavoriteMedicineResponse.kt b/core/model/src/main/java/com/android/mediproject/core/model/medicine/InterestedMedicine/AddInterestedMedicineResponse.kt
similarity index 66%
rename from core/model/src/main/java/com/android/mediproject/core/model/favorites/AddFavoriteMedicineResponse.kt
rename to core/model/src/main/java/com/android/mediproject/core/model/medicine/InterestedMedicine/AddInterestedMedicineResponse.kt
index 9ed2c4ef3..f3d181f3f 100644
--- a/core/model/src/main/java/com/android/mediproject/core/model/favorites/AddFavoriteMedicineResponse.kt
+++ b/core/model/src/main/java/com/android/mediproject/core/model/medicine/InterestedMedicine/AddInterestedMedicineResponse.kt
@@ -1,11 +1,11 @@
-package com.android.mediproject.core.model.favorites
+package com.android.mediproject.core.model.medicine.InterestedMedicine
 
 
 import kotlinx.serialization.SerialName
 import kotlinx.serialization.Serializable
 
 @Serializable
-data class AddFavoriteMedicineResponse(
+data class AddInterestedMedicineResponse(
     @SerialName("favoriteMedicineID") val favoriteMedicineID: Int, // 86
     @SerialName("message") val message: String
 )
\ No newline at end of file
diff --git a/core/model/src/main/java/com/android/mediproject/core/model/favorites/DeleteFavoriteMedicineResponse.kt b/core/model/src/main/java/com/android/mediproject/core/model/medicine/InterestedMedicine/DeleteInterestedMedicineResponse.kt
similarity index 55%
rename from core/model/src/main/java/com/android/mediproject/core/model/favorites/DeleteFavoriteMedicineResponse.kt
rename to core/model/src/main/java/com/android/mediproject/core/model/medicine/InterestedMedicine/DeleteInterestedMedicineResponse.kt
index 766a07e0c..cf958afcd 100644
--- a/core/model/src/main/java/com/android/mediproject/core/model/favorites/DeleteFavoriteMedicineResponse.kt
+++ b/core/model/src/main/java/com/android/mediproject/core/model/medicine/InterestedMedicine/DeleteInterestedMedicineResponse.kt
@@ -1,10 +1,10 @@
-package com.android.mediproject.core.model.favorites
+package com.android.mediproject.core.model.medicine.InterestedMedicine
 
 
 import kotlinx.serialization.SerialName
 import kotlinx.serialization.Serializable
 
 @Serializable
-data class DeleteFavoriteMedicineResponse(
+data class DeleteInterestedMedicineResponse(
     @SerialName("message") val message: String
 )
\ No newline at end of file
diff --git a/core/model/src/main/java/com/android/mediproject/core/model/favorites/IsFavoriteMedicineResponse.kt b/core/model/src/main/java/com/android/mediproject/core/model/medicine/InterestedMedicine/IsInterestedMedicineResponse.kt
similarity index 65%
rename from core/model/src/main/java/com/android/mediproject/core/model/favorites/IsFavoriteMedicineResponse.kt
rename to core/model/src/main/java/com/android/mediproject/core/model/medicine/InterestedMedicine/IsInterestedMedicineResponse.kt
index a4157ff48..79da247cb 100644
--- a/core/model/src/main/java/com/android/mediproject/core/model/favorites/IsFavoriteMedicineResponse.kt
+++ b/core/model/src/main/java/com/android/mediproject/core/model/medicine/InterestedMedicine/IsInterestedMedicineResponse.kt
@@ -1,11 +1,10 @@
-package com.android.mediproject.core.model.favorites
-
+package com.android.mediproject.core.model.medicine.InterestedMedicine
 
 import kotlinx.serialization.SerialName
 import kotlinx.serialization.Serializable
 
 @Serializable
-data class IsFavoriteMedicineResponse(
+data class IsInterestedMedicineResponse(
     @SerialName("isFavorite") val isFavorite: Boolean, // false
     @SerialName("message") val message: String
 )
\ No newline at end of file
diff --git a/core/model/src/main/java/com/android/mediproject/core/model/requestparameters/AddInterestedMedicineParameter.kt b/core/model/src/main/java/com/android/mediproject/core/model/requestparameters/AddInterestedMedicineParameter.kt
new file mode 100644
index 000000000..9b88a1d27
--- /dev/null
+++ b/core/model/src/main/java/com/android/mediproject/core/model/requestparameters/AddInterestedMedicineParameter.kt
@@ -0,0 +1,8 @@
+package com.android.mediproject.core.model.requestparameters
+
+import kotlinx.serialization.Serializable
+
+@Serializable
+data class AddInterestedMedicineParameter(
+    val medicineId: Long
+)
\ No newline at end of file
diff --git a/core/network/src/main/java/com/android/mediproject/core/network/datasource/interestedmedicine/InterestedMedicineDataSource.kt b/core/network/src/main/java/com/android/mediproject/core/network/datasource/interestedmedicine/InterestedMedicineDataSource.kt
index 60d44633f..5e698624b 100644
--- a/core/network/src/main/java/com/android/mediproject/core/network/datasource/interestedmedicine/InterestedMedicineDataSource.kt
+++ b/core/network/src/main/java/com/android/mediproject/core/network/datasource/interestedmedicine/InterestedMedicineDataSource.kt
@@ -1,9 +1,28 @@
 package com.android.mediproject.core.network.datasource.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 InterestedMedicineDataSource {
-    suspend fun getInterestedMedicineList() : Flow<Result<InterestedMedicineListResponse>>
+    suspend fun getInterestedMedicineList(): Flow<Result<InterestedMedicineListResponse>>
+
+    /**
+     * 관심 약 추가
+     */
+    fun addInterestedMedicine(addInterestedMedicineParameter: AddInterestedMedicineParameter): Flow<Result<AddInterestedMedicineResponse>>
+
+    /**
+     * 관심 약 삭제
+     */
+    fun deleteInterestedMedicine(medicineId: Long): Flow<Result<DeleteInterestedMedicineResponse>>
+
+    /**
+     * 관심 약 여부 확인
+     */
+    fun isInterestedMedicine(medicineId: Long): Flow<Result<IsInterestedMedicineResponse>>
 }
\ No newline at end of file
diff --git a/core/network/src/main/java/com/android/mediproject/core/network/datasource/interestedmedicine/InterestedMedicineDataSourceImpl.kt b/core/network/src/main/java/com/android/mediproject/core/network/datasource/interestedmedicine/InterestedMedicineDataSourceImpl.kt
index 88702e760..f953e849d 100644
--- a/core/network/src/main/java/com/android/mediproject/core/network/datasource/interestedmedicine/InterestedMedicineDataSourceImpl.kt
+++ b/core/network/src/main/java/com/android/mediproject/core/network/datasource/interestedmedicine/InterestedMedicineDataSourceImpl.kt
@@ -1,19 +1,43 @@
 package com.android.mediproject.core.network.datasource.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.module.AwsNetworkApi
 import com.android.mediproject.core.network.onResponse
 import kotlinx.coroutines.flow.Flow
 import kotlinx.coroutines.flow.channelFlow
 import javax.inject.Inject
 
-class InterestedMedicineDataSourceImpl @Inject constructor(private val awsNetworkApi: AwsNetworkApi) :
-    InterestedMedicineDataSource {
-    override suspend fun getInterestedMedicineList(): Flow<Result<InterestedMedicineListResponse>> =
+class InterestedMedicineDataSourceImpl @Inject constructor(private val awsNetworkApi: AwsNetworkApi) : InterestedMedicineDataSource {
+    override suspend fun getInterestedMedicineList(): Flow<Result<InterestedMedicineListResponse>> = channelFlow {
+        awsNetworkApi.getInterestedMedicineList().onResponse().fold(onSuccess = { Result.success(it) }, onFailure = { Result.failure(it) })
+            .also {
+                trySend(it)
+            }
+    }
+
+    override fun addInterestedMedicine(addInterestedMedicineParameter: AddInterestedMedicineParameter): Flow<Result<AddInterestedMedicineResponse>> =
         channelFlow {
-            awsNetworkApi.getInterestedMedicineList().onResponse()
+            awsNetworkApi.addInterestedMedicine(addInterestedMedicineParameter).onResponse()
                 .fold(onSuccess = { Result.success(it) }, onFailure = { Result.failure(it) }).also {
                     trySend(it)
                 }
         }
+
+    override fun deleteInterestedMedicine(medicineId: Long): Flow<Result<DeleteInterestedMedicineResponse>> = channelFlow {
+        awsNetworkApi.deleteInterestedMedicine(medicineId).onResponse()
+            .fold(onSuccess = { Result.success(it) }, onFailure = { Result.failure(it) }).also {
+                trySend(it)
+            }
+    }
+
+    override fun isInterestedMedicine(medicineId: Long): Flow<Result<IsInterestedMedicineResponse>> = channelFlow {
+        awsNetworkApi.isInterestedMedicine(medicineId).onResponse()
+            .fold(onSuccess = { Result.success(it) }, onFailure = { Result.failure(it) }).also {
+                trySend(it)
+            }
+    }
 }
\ No newline at end of file
diff --git a/core/network/src/main/java/com/android/mediproject/core/network/module/AwsNetwork.kt b/core/network/src/main/java/com/android/mediproject/core/network/module/AwsNetwork.kt
index d6b26e48c..d40e9e1e2 100644
--- a/core/network/src/main/java/com/android/mediproject/core/network/module/AwsNetwork.kt
+++ b/core/network/src/main/java/com/android/mediproject/core/network/module/AwsNetwork.kt
@@ -6,11 +6,15 @@ import com.android.mediproject.core.datastore.TokenDataSourceImpl
 import com.android.mediproject.core.model.comments.CommentChangedResponse
 import com.android.mediproject.core.model.comments.CommentListResponse
 import com.android.mediproject.core.model.comments.LikeResponse
+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.medicine.MedicineIdResponse
 import com.android.mediproject.core.model.remote.sign.SignInResponse
 import com.android.mediproject.core.model.remote.sign.SignUpResponse
 import com.android.mediproject.core.model.remote.token.ReissueTokenResponse
+import com.android.mediproject.core.model.requestparameters.AddInterestedMedicineParameter
 import com.android.mediproject.core.model.requestparameters.ChangeNicknameParameter
 import com.android.mediproject.core.model.requestparameters.ChangePasswordRequestParameter
 import com.android.mediproject.core.model.requestparameters.DeleteCommentParameter
@@ -52,6 +56,7 @@ import retrofit2.http.HTTP
 import retrofit2.http.PATCH
 import retrofit2.http.POST
 import retrofit2.http.Path
+import retrofit2.http.Query
 import javax.inject.Named
 import javax.inject.Singleton
 
@@ -224,4 +229,28 @@ interface AwsNetworkApi {
      */
     @GET(value = "user")
     suspend fun getUserInfo(): Response<UserResponse>
+
+    /**
+     * 관심 약 조회
+     */
+    @GET(value = "medicine/favorite")
+    suspend fun isInterestedMedicine(
+        @Query("ITEM_SEQ") itemSeq: Long
+    ): Response<IsInterestedMedicineResponse>
+
+    /**
+     * 관심 약 추가
+     */
+    @POST(value = "medicine/favorite")
+    suspend fun addInterestedMedicine(
+        @Body addInterestedMedicineParameter: AddInterestedMedicineParameter
+    ): Response<AddInterestedMedicineResponse>
+
+    /**
+     * 관심 약 삭제
+     */
+    @DELETE(value = "medicine/favorite")
+    suspend fun deleteInterestedMedicine(
+        @Query("medicineId") medicineId: Long
+    ): Response<DeleteInterestedMedicineResponse>
 }
\ No newline at end of file