ORC-XWD automatic stomach cleaning machine adopts pressure sensing components manufactured by Motorola; and the pressure feedback control system changes the flowing status automatically based on the change of pressure in the stomach, requiring no manual operation; the forceful reversing and block prevention structure keeps the machine from blocking; the double protection of pressure and liquid volume ensures safety for the patients; inching controls the balance of liquid rushing in and out of stomach; digital display for pressure effectively increase the efficiency in the operation; automatic cycling can be achieved. It is fit for stomach cleaning for patients in self poisoning or food poisoning in hospitals and first aid centers. It is new generation of stomach cleaning facility.