The Ventilator is a model of multi-purpose life-support machine. This machine uses the air operated electric control, the microcomputer technology. Selects imports the primary device to guarantee the equipment movement stably reliable. Colored (TFT) the screen demonstrates each kind of examination and the establishment parameter, which is a section of ideal breath treatment plant. It is suitable in all different levels of hospitals for internal medicine of surgery, gynecology, pedology, first aid, ICU and so on which are administrative offices equipments.