Sewage membrane with good filtering effect

The utility model discloses a sewage membrane with good filtering effect, which comprises a sewage treatment membrane box, one side of the sewage treatment membrane box is provided with a sewage inlet, and one side of the sewage treatment membrane box, which is far away from the sewage inlet, is provided with a sewage outlet. A sewage treatment membrane plate groove is formed in the side, close tothe sewage inflow port, in the sewage treatment membrane box, plate groove limiting piles are arranged on the two sides of the lower end of the sewage treatment membrane plate groove, three sewage treatment membrane plate grooves are formed in the sewage treatment membrane box, and a sewage treatment membrane plate is arranged in the sewage treatment membrane plate groove; the edge of the sewagetreatment membrane plate is matched with a sewage treatment membrane plate groove, a sewage treatment membrane plate handle is arranged at the upper end of the sewage treatment membrane plate, and a limiting rod groove is form