Safety device for treating gas generated by chemicals in storage cabinet

A safety device for treating gas generated by chemical medicine in a storage cabinet comprises the chemical medicine storage cabinet, a detection device and a gas recovery device, the detection deviceis arranged in the storage cabinet, and the recovery device is connected to the top of the storage cabinet; a door body is arranged on the side face of the storage cabinet and connected to the storage cabinet prism through a hinge to be matched with the storage cabinet. The detection device comprises a gas sensor and a micro-control touch screen, the micro-control touch screen is embedded in thedoor body and located in the middle of the outer surface of the door body, and the gas sensor is located on the inner surface of the top of the storage cabinet; the recovery device comprises an air draft device and a gas collection tank; the gas collection tank is detachably mounted on the side surface of the storage cabinet; a permanent magnet is arranged in the door body, and an electromagnet generating a magnetic field