★ 1~2 times a day, which can be used according to personal needs (according to the heating temperature, please replace it after feeling ineffective), and the cooling effect of each tablet can last about 12 hours. When in use, the packaging bag is torn along the notch, the patch is taken out, the transparent film is uncovered, and it is directly attached to the forehead or temple or cervical Dazhui point; In order to speed up the cooling, it can be applied to the left and right common carotid arteries, the left and right axillary arteries and the left and right femoral arteries at the same time. Can be applied after cutting the corresponding size according to the use position.