Fever is one of the anti-infection mechanisms in the body and is a common clinical condition in infants and children. The brain of infants and young children is in the process of development, and high fever is detrimental to the development of the pediatric brain. When a child has a fever, parents can use warm water wipes, ice packs and other physical cooling. You can also use physical cooling preparations “fever patches” for physical cooling, and then quickly seek medical attention to remove the root cause of the fever. Physical cooling fever patches are used as a supplemental antipyretic agent to reduce fever, and are applied to the forehead or the affected area to reduce fever by using the mechanism of taking away heat when vaporizing water to reduce local temperature. Belonging to the physical cooling supplies, is widely used in pediatric fever and fever, summer and high-temperature operations and other situations. The function of the fever patch is as follows: 1, for various reasons caused by fever emergency physical cooling; 2, to relieve fever-induced headache, dizziness and other uncomfortable symptoms; 3, to effectively reduce the local temperature of the brain, to avoid high heat injury and brain cells. 4, summer paste can play a very good effect of summer cooling anti-fever paste use: remove the paste, remove the transparent film, the gel surface directly on the forehead or temple, can also be applied to the neck point; to speed up the cooling rate can be added with several paste at the same time in the human body left and right common carotid artery, left and right axillary artery, left and right femoral artery. It can be applied 1-3 times a day, and each patch can be used for no more than 8 hours.