Anti-fever patches are used to give patients continuous and effective cooling through physical cooling, and should be applied when the patient’s body temperature is above 38.1℃ and below 39℃, when the effect is the best. Anti-fever patches have a certain antipyretic, cooling effect, can relieve influenza or viral cold caused by the body fever, fever, but also can treat certain toothache, headache, migraine, sunburn, muscle sprains due to pain symptoms also have a certain relief. However, when the low degree of fever, that is, low fever, body temperature between 37.4-38 ℃ paste antipyretic patch will not have a significant antipyretic effect, so the body temperature between 38.1-39 ℃ when the role of the paste antipyretic patch is the most ideal. Once the body temperature exceeds 39 ℃, simply paste the fever patch has no obvious effect, this time should be combined with taking a certain amount of antipyretic and anti-inflammatory drugs in order to fundamentally treat the fever.