Fever patches generally speaking, can play a good role in reducing fever, but the human body fever, in fact, is also a kind of external pathogenic microbial clearance process. So generally speaking does not affect the normal body, generally do not do antipyretic treatment. Only after the body temperature of 38.5 ℃, it is recommended to use antipyretic patches or oral antipyretic treatment, at the same time in the use of drugs these days, the patient will have a lot of sweating later, must pay attention to some hydration, in order to prevent dehydration leading to circulatory problems, the elderly appear heart attack, brain infarction, or must be careful.