Waterproof drainage structure of underground garage

The invention relates to the technical field of underground garages, in particular to an underground garage waterproof drainage structure which comprises a garage body, a water storage tank is fixedly connected to the bottom face of the garage body, and a lifting partition plate mechanism is arranged in the water storage tank. The lifting partition plate mechanism comprises a lifting air bag located in the water storage tank and a fixed net plate fixedly connected to the inner wall of the water storage tank, the upper surface of the lifting air bag is fixedly connected with a rainwater partition plate, and the upper end of the rainwater partition plate penetrates through the inner bottom wall of the garage body and extends into the garage body. Through the cooperative design of the garage body, the water storage tank, the lifting partition plate mechanism, the supporting mechanism, a drainage groove, a filter plate, a communicating pipeline, a drainage ditch, a drainage mechanism and a water seepage pipeline,