An outlet unit with socket has a head shower with an essential body and an outlet terminal. The essential body has a top and an under shed and a switch mechanism. The outlet terminal is connected to the under shed and a concave socket is arranged on the essential body. The switch mechanism has an inlet channel that communicates with the top shed and at least one first waterway and one second waterway. The outlet terminal can be rotatably assembled in the under shed of the essential body and can drive the switch mechanism to switch the waterways by rotating. One first or one second waterway can be chosen to communicate with the inlet channel. The first waterway is connected to the outlet terminal. A connector which connects to the second shower through a tube can penetrate the essential body and can communicate with the second waterway.