Fireproof door with smoke discharging and water spraying functions

The utility model discloses a fireproof door with smoke discharging and water spraying functions, which comprises a door plate and a door frame, a water discharging pipe is arranged on the door plate, a plurality of nozzles are arranged on the water discharging pipe, a first plug slides in the water discharging pipe, and a temperature sensing glass ball is arranged on one side of the water discharging pipe and abuts against the first plug. A spring is arranged between the other side of the drainage pipe and the first plug, after the temperature sensing glass ball is broken, the first plug moves towards the side away from the drainage pipe, and all the nozzles spray water to the door plate. The drainage pipe is arranged above the door frame and provided with the multiple sets of nozzles spraying water towards the door plate, the nozzles spray water towards the door plate to reduce the temperature of the door plate in cooperation with the first plug, the spring and the temperature sensing glass ball after a fir