Safe gastrointestinal decompression device for newborns

The safety gastrointestinal decompression device comprises a sealing valve and a pressure control valve, a connecting pipe is arranged in the sealing valve, the other end of the connecting pipe is fixedly connected with a breather pipe, the other end of the breather pipe is fixedly connected with a negative pressure drainage air bag, a drainage pipe is arranged at the bottom of the connecting pipe, and a negative pressure drainage air bag is arranged at the bottom of the drainage pipe. One end of the drainage tube is arranged in the gastric juice collecting tank, the other end of the drainage tube is arranged in the gastric juice collecting tank, the pressure control tube is arranged on one side of the gastric juice collecting tank, and the other end of the pressure control tube is arranged in the pressure control valve. Due to the fact that the stomach tube connecting hose is directly connected with the gastric juice collecting tank, backflow possibly occurs, through the arranged pressure control valve, the