The invention relates to an integral mobile multifunctional energy-saving air conditioner, which consists of a box body (17), a compressor (1), a filter (3), an evaporator(4) and a control box (9). The bottom end of the box body is provided with the compressor, the exhausting end of the compressor is connected with a heat radiator (2) in a heat radiating zone while other end is connected with the filter (3), the filter is communicated with one end of the evaporator (4) through a capillary copper tube (16), and is communicated with a condenser (5) and the compressor (1); a cooling fan (8) is arranged beside the compressor. The heat radiating zone is a small closed area, the upper part of the area is provided with a water trough (13), a water inlet (15) is arranged beside the water trough, a stair-shaped heat radiating plate (12) and a heat radiating blower (19) are arranged under the water trough, the bottom is provided with a water storage pit (11), a water outlet (14) is arranged, a circulating pump (10), a heat radiator and a temperature detector (18) are arranged inside the water storage pit. The invention has the effects of easy mobility, material saving, installation free, multifunction, environment protection and energy saving.