The invention relates to a lock catch device, comprising a handle, a gear and a handle magnetic fastener, and the handle is pivoted on an upper cover of an electric product. One end of the gear is pivoted with the handle while the other end is provided with a buckled part, and when a base of the electric product is closed with the upper cover, the buckled part is buckled at the base. After the handle magnetic fastener which is arranged at the surface of the upper cover that is opposite to the handle is used as the buckled part and buckled at the base, the handle is fixed on an upper cover magnetic buckled part of the upper cover. Furthermore, the invention also discloses a cover-lift type electric product which applies the lock catch device.