Water suction pump with filtering function

The water suction pump with the filtering function comprises a supporting plate, a buckle groove is formed in the upper surface of the supporting plate, a filtering guardrail is detachably connected in the buckle groove in a clamped mode, a damping assembly is arranged in the middle of the upper surface of the supporting plate, and a water pump is arranged at the upper end of the damping assembly. A water suction pipe and a water outlet pipe are arranged on one side and the other side of the water pump, a first filter screen is arranged in the water suction pipe, and a second filter screen is arranged in the water outlet pipe. Through the design of the supporting plate, the filtering guardrail, the damping assembly, the retarding assembly and the water pump, when the water pump works in use, water is sucked in through the water suction pipe and discharged through the water outlet pipe, garbage in the water is blocked by the filtering guardrail installed on the supporting plate, and impurities are filtered by