PROBLEM TO BE SOLVED: To provide a portable peritoneal dialyzer with which, when a patient (a user ) spends daily life in a nursing facility or the like, in association with a movement of the patients location, the patient can resume a dialysis action smoothly after the movement.SOLUTION: A portable peritoneal dialyzer 100 which is portable and used for dialysis is structured as follows. When the portable peritoneal dialyzer 100 is carried by a cart 1 for a portable peritoneal dialyzer which is a carrying device, and as supply from a commercial AC power source to the portable peritoneal dialyzer 100 is stopped, an action of the portable peritoneal dialyzer 100 is halted temporarily, and after that, as the supply from the commercial AC power source to the portable peritoneal dialyzer 100 is resumed, the action of the portable peritoneal dialyzer 100 is resumed.
