PURPOSE: A disposable bidet for cleaning vagina is provided, which makes carrying thereof simple and facilitates cleaning of vagina and circulation of cleaning water. CONSTITUTION: A disposable bidet for cleaning vagina comprises: a water pack(10) which is expanded or shrunken existence and nonexistence of cleaning water; a connection cap(30) equipped with a fixing unit(20) fixing an opening of the water pack; a spray unit(40) through which cleaning water of the water pack is prayed uniformly in all directions; and a bent pipe(50) which is extended from the rear of the spray unit and is connected to the connection cap.