When a child has a fever, a. If the temperature is measured in the armpit, 1. The normal child’s body temperature is between 36-37°C. As long as the symptoms of fever appear, the body temperature must be more than 37°C. 2. If the body temperature is between 37-38°C, it is a case of low fever. If it is between 38-39℃, it is a moderate fever. 3. If the body temperature is between 39-40℃, it is a high fever condition. Two, if the child’s temperature is measured in the mouth as long as the fever is present, the child’s temperature must be more than 37.2°C because the normal temperature in the mouth is between 36.3-37.2°C. Three if the temperature is measured in the rectum, 1, the normal body temperature is between 36.5-37.7 ℃, the body temperature as long as it exceeds 37.7 ℃, even if the child has a fever. For example, when the temperature is measured in the armpit, as long as the child’s temperature is greater than 38.5℃, the child needs to be treated with antipyretic medication, such as ibuprofen suspension.