The motorized door pulsating vacuum sterilizer is a sterilization equipment that uses saturated pressure steam as the medium and is automatically controlled by a programmable controller (PLC) + touch screen microcomputer. The equipment uses pulsating vacuum exhaust in the early stage to eliminate the impact of cold air on temperature. After sterilization, vacuum dehumidification and sandwich drying are used to dry the items. It adopts the human-machine interface of the graphical operation terminal and sets up a variety of automatic and manual procedures such as "B-D test, instrument, fabric, liquid", etc. It is suitable for use in hospital supply rooms, operating rooms, pharmaceutical factories, scientific research departments and other units for clothing testing. Sterilize dressings, instruments, utensils, media and other items.