The invention provides an antitheft monitoring method, device and apparatus and an intelligent switch. The antitheft monitoring device comprises a plurality of human body activity monitoring module, at least one wireless communication module, and at least one processing unit. The processing unit is used for controlling the antitheft monitoring device to enter an alarm state when the wireless communication module does not receive authorized user identity information and human body activities exist in monitoring areas. The antitheft monitoring method, device and apparatus and the intelligent switch, which are provided by the embodiments of the invention, can identity whether an authorized user is in a room automatically and judge whether the authorized user is having a rest intelligently according to indoor human body activity conditions and thus change an operating state automatically; in case of intrusion of someone, alarm information can be given timely to remind the authorized user; the intelligent degree of an antitheft system is improved.