The clinical use of anal temperature greater than 38 degrees, axillary temperature greater than or equal to 37.5 called fever, fever is a common phenomenon, is the body’s defensive response, baby axillary temperature greater than 37.5 degrees, for hypothermia, need to actively deal with. 1, reconfirm the body temperature: baby’s body temperature is greatly affected by environmental factors, feeding, crying, exertion, sweating can cause physiological fluctuations in body temperature, the need for the child calm sweat-free state re-measurement of body temperature, 2 measurements are 37.5 degrees or more, can be confirmed as fever. 2, heat treatment: When it is clear that the baby’s high body temperature is a non-physiological factor, the following treatment is available. (1) drink more warm water, visible to accelerate water metabolism, increase urination, play a role in reducing low fever. (2) Physical cooling, including loosening clothing, warm water scrubbing, antipyretic paste, etc. For babies with low fever and no other accompanying symptoms, it can be preferred and has better effect. (3) Monitor the change of body temperature, if the temperature rises further, take oral antipyretic drugs. Oral ibuprofen suspension/pellets or acetaminophen suspension are recommended if the baby’s axillary temperature exceeds 38.2 degrees or if there is significant discomfort due to fever and depression. For reducing low fever Chinese medicine can also choose to use, commonly used drugs are pediatric Chai Gui antipyretic granules, pediatric gardenia Qing Fever granules, pediatric relief oral liquid, etc. (specific medication based on the advice of the clinical interview doctor). When the effect of using antipyretic measures is not satisfactory or the body temperature rises further, accompanied by poor mental response, hospital consultation is needed.