The present invention discloses a rotary switch outlet mechanism, it comprises a fixed unit, a switch unit and two outlet terminals, the fixed unit is provided with an inlet that is communicated with the water resource ever-lasting and a second outlet, the first outlet terminal is connected to the fixed unit in a rotating manner and is provided with a first outlet, and the second outlet terminal is communicated with the second outlet, and the first outlet terminal is linked to the switch unit and is provided with two locating position with the fixed unit, water comes out of the first outlet terminal when it is at the first position, water comes out of the second outlet terminal when it is at the second position. The present rotary switch outlet mechanism achieves simple structure, bigger operating surface, easier assembly, multiple functions and more convenient and faster switching process.