The invention discloses a mouse trap, including a mouse luring chamber and a mouse trapping chamber, the mouse luring chamber and the mouse trapping chamber are designed integrally and divided by a partition plate. The mouse luring chamber includes guiding rods, an automatic door, a clamp frame, a bait box, an infrared thermal sensor, a horizontal rod. The mouse trapping chamber includes a mouse guiding channel, a first door, a second door, an outer frame, a first electric motor, a take-up pulley, first pulling strings, a second electric motor, a linkage piece, and a mouse storage chamber. The mouse storage chamber includes a third door and a block rod. The advantages of the invention are provided as below: it has a new structure and easy to operate. It can trap several mice automatically and has a good captivity and trapping effects.