The baby ate antipyretic medicine or not fever may be insufficient dose, medication time is short, etc., at this time in the baby’s physical cooling at the same time continue to monitor the temperature changes, it is recommended to consult a doctor in a timely manner; to identify the cause of the disease, and to give targeted treatment. If the baby fever body temperature over 38.5 ℃ oral antipyretic drugs do not fever, consider the dose is not enough related, it is recommended to comply with the doctor’s instructions to strictly control the dose; and after 30 minutes after taking the drug to play a role, 1.2 ~ 2.1 hours of blood concentration to reach the peak, so the baby’s body temperature may not fall in a short period of time. The use of antipyretic drugs at the same time need to actively carry out physical cooling, such as the use of lukewarm water on the forehead of the child, warm baths, reduce the wearing of clothing, antipyretic patches, antipyretic blankets, fans, and reduce indoor temperatures, etc., these methods can be through conduction, convection and evaporation of heat away from the body, so that children with fever feel comfortable. It is also important to identify the cause of the illness and to treat it appropriately in order to recover the body temperature. All of the above medications should be used under a doctor’s supervision, and self-medication should be avoided.