Fever patches can be applied to the patient’s forehead, neck, temples or other areas that need cooling and cold compresses. They can be cut to the appropriate size for use as needed. If you want to speed up the rate of cooling, you can use more patches, while applying to the left and right axillary arteries, left and right femoral arteries and other large blood vessels is good for reducing fever. In addition, in order to maintain hygiene and cooling effect, it is best to use each piece only once. Fever reducing patches can be refrigerated before use, the effect of reducing fever will be better. In general, the effect of the fever reducing patch can last for 4-8 hours, do not remove it too early to enhance the effect of fever reduction. If the body temperature does not exceed 38.5 ℃, the body is still in the case of fever, you can always paste the antipyretic paste.