Fever is the most common symptom of many pediatric diseases. The thermoregulatory function of small infants is not sound, and many external factors (feeding, exercise, crying, overly thick clothing, high ambient temperature) can raise the body temperature. In general, it is considered that anal temperature over 37.8℃, oral temperature over 37.5℃, axillary temperature over 37.4℃ is fever, axillary temperature 37.5-38℃ is low fever, 38-39℃ is moderate fever, 39-40℃ is high fever, and over 40℃ is super fever. If your child has a fever, you should promptly take the correct and reasonable cooling measures. Methods are as follows: a. Physical cooling: can be used to open the package (small infants), head cold wet compress (fever relief paste on the forehead) or head pillow ice bag, warm water (35-37 ℃) applied bath and other methods. Second, when the body temperature exceeds 39 ℃, if the child’s mental state can still be used home spare oral antipyretic drugs to lower the temperature once, cooling treatment after half an hour to an hour to measure the temperature, pay attention to the child’s change of consciousness and sweating, give the child to drink an appropriate amount of warm water to prevent deficiency. After cooling, the child sweats a lot, should promptly change clothes and bedding, prevent cold, high fever extremities need to keep warm when the local cold. If the child’s body temperature repeatedly rises to 38.5-39 ℃ or more, or a sudden drop in body temperature should be promptly sent to the hospital pediatrician that consultation and treatment. Third, as soon as possible to reduce the environmental temperature, avoid direct blowing wind, the child every 4 hours to take the temperature, ultra-high fever can shorten the interval between temperature measurement. According to the child’s condition, encourage the child to drink more water and eat a liquid or semi-liquid diet with high calories, high protein, high vitamins and easy to digest. V. For children with a history of high fever convulsions or those who appear to jump, give your child antipyretic drugs and send him/her to the hospital promptly. When your child has upper respiratory tract infection and other conditions, pay attention to temperature changes and give appropriate treatment. If your child has a history of febrile convulsions, then, please always have a thermometer at home, prepare antipyretic drugs, body temperature greater than 39 ℃ or more, oral antipyretic drugs once, it is recommended that the pediatrician that under the consultation, take antipyretic drugs again, must be more than 4 hours interval. When the child has a convulsion, lie down, head sideways to one side, and promptly send to the hospital.