The present invention is composed to cover the body part, that is, the neck and shoulder region, and the viscous gel is formed inside the patch to prevent it from flowing down from the neck, thereby providing an effect for smooth daily life after wearing, and the inside of the cool patch. A hydrogel and a magnet are provided to absorb and release body heat as well as to have the effect of smooth blood circulation. Cool patch 10 provided with a release paper (C) for preventing the inflow of contaminants; The cool patch 10 is provided with a neck seat part 11 to be seated on the neck region, and the shoulder seat part 12 is integrally extended to both sides of the neck seat part, and the inner side is a curved part ( 13) and the rear end is characterized in that the curved surface portion 14 having a V-groove 14a is provided so that the seating shape of the shoulder seating portion 12 is maintained.
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