The utility model belongs to the technical field of sanitary wares, a be applied to bath device of stool pot is disclosed, including water tank, the first pump body, the second pump body and urinal, the first pump body reaches the second pump body sets up on the water tank, it sets up first piston to match in the first pump body, the first push rod of first piston passes the first handle of a pumpbody connection, first handle with set up first spring between the first pump body, it sets up the second piston to match in the second pump body, the second push rod of second piston passes the 2ndpump body connection second handle, the second handle with set up the second spring between the second pump body, but according to actual need selects first handle or second handle. First handle and second handle are used for controlling two kind big, little water yields respectively, carry out washing away of difference needs, have avoided unnecessary extravagant to the stool pot water has been practiced thrift effectively.