The invention discloses a mousetrap, which comprises a mouse-trap room and a mouse-trap room. The mouse-trap room and the mouse-trap room are designed in one piece, and are separated from each other by a partition. The mouse-trap room includes guide rods, Automatic doors, clip frames, bait boxes, pedals, horizontal plates, elastic strips, contacts, mouse traps include mouse guide channels, door 1, door 2, outer frame, motor 1, take-up wheel, pull wire 1, motor 2, Linkage sheet, mouse storage room, the mouse storage room comprises door three and stop bar. The beneficial conditions of the present invention are: novel structure, convenient operation, automatic mouse catching, capable of catching multiple mice, good collection effect of captured mice, and good mouse catching effect.