Based on the physical principles of Hall effect and torque action, this proiect designs a set of laboratory safety intelligent management system by using steering gear,infrared sensor,Hall sensor,stepping motor,screw nut, rain sensing module,flame sensing module,buzzer and other equipment, single chip microcomputer control and bluetooth remote control.The device includes four systems;automatic door closing, automatic window closing remote lamp closing and flame detection. which can realize the functions of unmanned automatic door closing. detecting whether the doors and windows are closed.remote control dool closing rain detection. automatic window closing remote lamp closing flame alarm. etc The device has the advantages of simple operation, high automation ,stable system and wide application range.Through the test. the device can be widely used in various laboratories, has good adaptability to the environment, and is worth popularizing.