Wastewater collecting tank with filtering function for medical waste treatment

The utility model relates to the technical field of medical treatment, in particular to a waste water collecting tank with a filtering function for medical waste treatment, which comprises a collecting tank and a filtering mechanism, the filtering mechanism comprises a connecting pipe, a storage box, a filter screen, a water inlet pipe, a drawer, a screw, a sealing ring and supporting legs, the upper surface of the collecting tank is in threaded connection with a tank cover, and the tank cover is in threaded connection with the storage box. A filtering mechanism is arranged on the outer side surface of the collecting tank, and a mounting mechanism is arranged on the lower surface of the collecting tank. When the collecting tank needs to filter water entering the tank body, firstly, waste water enters the storage box through the water inlet pipe, then foreign matter is isolated in the storage box by the filter screen and falls into the drawer, the drawer is fixed to the storage box through screws, and the seal