Recently, the child’s body temperature is high, considering that it may be caused by physiological or pathological factors, physiological factors such as the child’s basal body temperature is high; pathological factors such as respiratory tract infections that do not heal, etc., which can lead to frequent occurrence of high temperature in children. 1. Physiological factors: the child’s basal body temperature is high, the normal axillary temperature between 35.9 ℃ ~ 37.2 ℃, but in some special circumstances, such as after eating, exercise and other situations, local skin temperature such as forehead will appear briefly rise. If the child’s axillary temperature does not exceed 37.3 ℃ after rest, and no other abnormal symptoms, consider the possibility of physiological local temperature rise, can observe the state. 2. Pathological factors: infection is the main cause of fever in children, the most common of which is respiratory tract infections, such as common colds and other prolonged, pneumonia, etc., may cause frequent fever, high body temperature, and usually accompanied by other symptoms, such as coughing, runny nose, loss of appetite and so on. Parents should carefully observe their children when they find that they have a high body temperature and, if necessary, go to the hospital in time to avoid delays in their condition.