The utility model discloses a portable head cooling cap. The cooling cap comprises a cooling cap body, the left side face of the cooling cap body is fixedly connected with the right side face of a capbrim. the left side surface of the inner wall of the cooling cap body is fixedly connected with the right side surface of the inner wall of the cooling cap body; a cavity is formed by the upper surface of the inner wall of the cooling cap body and the upper surface of the supporting layer, an ice bag is arranged in the cavity, a zipper is arranged on the right side face of the cooling cap body and movably connected with a zipper puller, a refrigerator is arranged on the upper surface of the inner wall of the cooling cap body, and a solar cell is arranged on the upper surface of the cooling cap body. According to the portable head cooling hat, through mutual cooperation of the cooling hat body, the vent holes, the supporting layer, the refrigerator, the solar cell, the hat brim, the sweatabsorbing cotton, the ice bag, the wear-resisting layer, the tough layer and the heat insulating layer, convection of cold air in the cooling hat body can be achieved, the cold air in the cooling hatbody can be well convected, and a better cooling effect is achieved.