Disclosed is a cooling mat in which an effective cooling effect can be promoted by a simple structure free from separate manipulation or external power sources, capable of increasing reliability in operation and portability, the cooling mat including: a plurality of cooling pads filled therein with a phase change material; an upper cover coupled to the cooling pad, lengthwise formed with a plurality of openings and exposing an upper surface of the cooling pad through the openings; a bottom cover coupled to the upper cover at an edge portion; and a folding unit formed between the openings of the upper cover to provide a bending flexibility.