Portable Air Conditioner is to make the outdoor unit and indoor unit of the air conditioner into a whole, that is, only the indoor unit, the air conditioner, and the outer wall or window are connected by hoses, and there are four universal wheels at the bottom of the air conditioner, which is convenient for the Portable Air Conditioner can be moved in different rooms by changing the connection position of the hose. A water tank and a small water pump for water circulation are installed in the air conditioner. The condenser is mainly cooled by spraying and evaporating water, and a small amount of air is extracted from the room. After being heated by the condenser, the evaporated water vapor is taken out of the room.