Water outlet device of coffee machine

A water outlet device of a coffee machine comprises a water outlet pipe connected with a water tank. A water outlet of the water outlet pipe is connected with a two-in and two-out water distribution mechanism. The water distribution mechanism comprises a water flow shaft sleeve and a water distribution shaft, wherein the water distribution shaft is inserted into and sleeved with the water flow shaft sleeve in a sliding mode. A first water inlet, a first water outlet, a second water inlet and a second water outlet are respectively formed in the side wall of the water flow shaft sleeve. The water distribution shaft is provided with a first boss, a first receding part, a second boss, a second receding part and a locating boss, wherein the first boss is used for blocking a communication channel between the first water inlet and the first water outlet, the first receding part is used for communicating the first water inlet with the first water outlet, the second boss is used for blocking a communication channel be