The invention discloses a mousetrap. The mousetrap comprises a mouse luring chamber and a mouse capturing chamber which are integrally designed and separated from each other through a partition plate. The mouse luring chamber comprises guide rods, automatic doors, a clamping frame, a lure box, a step board, a transverse board, an elastic strip and a touch point; the mouse capturing chamber comprises a mouse guide channel, a first door, a second door, an outer frame, a first motor, a take-up wheel, first stay wires, a second motor, a linkage piece and a mouse storage chamber which comprises a third door and a retaining rod. The mousetrap has the advantages that the structure is novel, operation is convenient, mouse capturing is conducted automatically, multiple mice can be captured, the collecting effect of the captured mice is good, and the mouse capturing effect is good.