Water storage device suitable for sponge ecological pavement and water storage method of water storage device

The invention discloses a water storage device suitable for sponge ecological pavement and a water storage method of the water storage device, and belongs to the technical field of water storage devices. The water storage device suitable for sponge ecological pavement further comprises a water storage tank provided with a smashing bin and a water collecting bin, a cover plate, a reciprocating device and collecting tanks. A filter screen is arranged between the smashing bin and the water collecting bin, and the filter screen is detachably connected to the inner wall of the water storage tank; the cover plate is arranged on the water storage tank; the reciprocating device is arranged in the smashing bin and is used for cleaning impurities adsorbed on the filter screen; and the collecting tanks are fixedly connected to the side walls of the water storage tank. According to the device, accumulated water on a road can be rapidly drained into the ground by arranging piston cylinders, piston plates and supporting ro