Pediatric fever can be reduced by anally inserting antipyretic suppositories, but the application of antipyretic drugs is only a temporary reduction in temperature, most of which can be maintained for 4-6 hours, after which the body temperature will rise again. In the antipyretic symptomatic treatment at the same time, we should actively search for the cause of fever, find the cause of the corresponding symptomatic treatment. If the baby in addition to fever, mental state is good, and the baby is about one year old, most of the viral infections caused by toddler rash is common, the disease is generally high fever for 3-5 days, body temperature up to 39-41 ℃, in addition to fever, mental state is good, can be given to the antipyretic symptomatic observation, most of the fever subsides after the whole body skin rashes, and then cured. If accompanied by obvious vomiting, abdominal pain and even convulsions and other symptoms, we should promptly go to the hospital.