An automatic cocktail maker, including a frame, multiple can bodies, a multi-channel switching device including a liquid inlet and a liquid outlet, a measuring pump including an inlet hole and an outlet hole, a pipe system, and a programmable control unit. The can body is disposed on the frame, the pipe system operates to connect the can body with a liquor outlet, the can body is connected to the liquid inlet of the multi-channel switching device via a first honeycomb duct, the liquid outlet of the multi-channel switching device is connected to the inlet hole of the measuring pump via a second honeycomb duct, the outlet hole of the measuring pump is connected to a liquor outlet, and a drive portion of the multi-channel switching device and the measuring pump is electrically connected to the programmable control unit.