Medical airtight automatic door is specially designed for the use place with air tightness requirements, mainly including clean operating department, purification workshop, purification workshop, laboratory, etc. The door body is made of stainless steel (Galvanized spray plate, glass, fireproof board) and other materials, including the observation window anti-collision belt; the control system adopts infrared induction and microwave induction device, which is simple, safe and convenient to operate; there is a sealant strip around the door, which is completely sealed when closed. With anti pinch automatic control and memory function, and can cooperate with the door control system, fire control system, etc.