It is used for sucking bleeding, exudate, pus, contents in thoracic organs, holding broken ends of ruptured blood vessels, and clinical emergency sputum suction, etc., to make the operation view bright and reduce contamination. It is directly connected to the gas terminal of the operating room pendant, ICU suspension pendant, and ward equipment with light system of the medical unit to provide the vacuum required for suction. Through the regulator and vacuum gauge to accurately control the capacity of the required vacuum. The vacuum gauge can be rotated 360 degrees, which is convenient for medical staff to read the pressure value from any angle. The fast connection design of the vacuum gauge can be easily disassembled, which greatly is convenient for the cleaning, disinfection and maintenance of the equipment. Vacuum diaphragm regulator, stepless adjustment of range, operation are more convenient and control is more precise. The overflow protector prevents the dirt entering the vacuum suction unit and the central suction pipe system. Except for the pressure gauge, all parts can be sterilized at a high temperature of 134 degrees or more, meeting with DIN EN ISO10097-3 standards. No need to replace the equipment. DIN standard, British standard, American standard, French standard, Japanese standard gas plugs will be selected (non-standard gas plugs need to be customized). The extremely long service cycle ensures minimal operating costs and meets the cost requirements of hospitals, special medical practice and sanatorium.