The outlet switch device includes a fixed unit, an outlet switch mechanism, an inlet switch mechanism and a driving mechanism. The outlet function switch is realized through the relative rotation between the outlet switch mechanism and the fixed unit; the fixed unit includes a control cavity and an inlet waterway connected to the external water resource; the outlet switch mechanism includes a switch plate, which is movable connected inside the control cavity and divides the control cavity into an upper cavity and a lower cavity; the inlet switch mechanism controls the inlet waterway to control the water turning into the upper cavity or the lower cavity, making the switch plate move up and down with the effect of the water; the driving mechanism is disposed between the switch plate and the fixed unit to transform the action up and down to rotation.