Sewage lifting pump

The utility model discloses a sewage lift pump, relates to sewage lift pump field, including machine body, support base and impurity removal box, the bottom of machine body is provided with the fixed base, and the fixed base is fixedly connected with the protection fixed shell, and the protection fixed shell one side is provided with the water pump, the support base is provided the bottom of water pump, and the impurity removal box is provided with the water pump. The bottom of the supporting base is fixedly connected with a protective damping air bag. According to the sewage lifting pump, the protection damping air bag and the impurity removal assembly are arranged, in the using process of the sewage lifting pump, the sewage lifting pump is subjected to a certain damping and buffering effect, so that the overall structure is more stable and firmer, the situation that connection is loosened at the connecting position is avoided, sewage is subjected to certain impurity removal pretreatment, and the service lif