Baby teeth fever may be the existence of infection, you can first antipyretic treatment, keep the mouth clean, etc., if necessary, consult a doctor to clarify the cause of targeted treatment. 1. Anti-fever treatment, if the body temperature is simply elevated, the temperature is not greater than 38.5 ℃, let the baby drink some water in moderation, with warm water bath face, neck, armpits and so on. If the temperature is found to be higher than 38.5 ℃, you need to go to the hospital in time to use antipyretic drugs, such as ibuprofen granules, acetaminophen suppositories and so on. 2. Keep the mouth clean, try to let the baby drink some water in moderation after each breastfeeding or complementary food, or the mother use clean gauze to scrub the baby’s mouth and teeth bed, keep clean to avoid oral infection. If the fever persists, or even high fever, you need to bring your baby to the hospital in time to find out the cause of the fever before treatment.