The invention discloses a mechanical resisting device for a home elevator in the field of elevators. The device comprises an L-shaped connection plate of which one side is fixed on an elevator guide rail, and the inside of the other side of the L-shaped connection plate is fixedly provided with a groove-shaped base; the base is internally provided with a notch and a groove-shaped swing arm opposite to the notch of the base, the base is hinged with the swing arm through a rotation shaft, and the base is connected with the swing arm through an elastic mechanism; the elastic mechanism is mountedover the rotation shaft, the upper end of the swing arm is fixed provided with a buffer, the lower end of the swing arm is wedge-shaped, the inner wall of the swing arm is fixedly provided with a connection buckle, and the connection buckle is connected with a release spanner for limiting the rotation position of the swing arm. In the device, the buffer and the swing arm are controlled through the release spanner to simultaneously switch between a normal state and a resisting state, so that the device is convenient and simple to operate; and the device is compact and steady in structure, can improve the safety of the maintenance personnel performing maintenance works in an elevator shaft and guarantee life safety of the maintenance personnel, and can be used in the home elevator.