Shunt valve and flush toilet thereof

The utility model provides a shunt valve and a flush toilet with the same, and belongs to the technical field of manufacturing of water valves. The problem that an existing shunt valve element is large in friction force and prone to abrasion is solved. The shunt valve comprises a valve body, a cylindrical mounting cavity is formed in the valve body, the outer side face of the valve body is connected with a water inlet pipe, a first water outlet pipe and a second water outlet pipe, the water inlet pipe, the first water outlet pipe and the second water outlet pipe are all communicated with the mounting cavity, a cylindrical valve element is arranged in the mounting cavity, and a water passing channel penetrating through the two sides of the valve element is formed in the valve element; an annular protrusion or a plurality of spherical protrusions making contact with the bottom of the mounting cavity are arranged at the bottom of the valve element, and a driving piece capable of driving the valve element to rota