The utility model discloses a dynamic trick lock for open laboratory relates to lock security protection technical field, including treater, information input module, relay, electromagnetic lock, wireless transceiver module and mobile terminal, the equal connect the processor of information input module, relay and wireless transceiver module, the electromagnetic lock is connected to the relay, andthe lateral part in the middle of the door of laboratory is installed to the electromagnetic lock. Realize the authentication that can realize the personnel of getting into and to the opening and closing of laboratory door of closing the door that does not need to open the door in person of open laboratory management person through this kind of technological means, reduced administrator's the amount of labour, simultaneously when the administrator is busy when being out, mr or student still can contact the administrator by telephone and ask for the password entering laboratory experiment thatunblanks.