Children with repeated fever, back again and again, you should actively look for the cause of the disease, for the cause of the treatment, the common diseases are infectious diseases, endocrine diseases such as hyperthyroidism, etc., the causes are different, the treatment method is different. 1. Infectious diseases are common respiratory tract infections, gastrointestinal tract infections, urinary tract infections, such as upper respiratory tract infections secondary to bacterial infections, penicillin, cephalosporin antibiotics and other treatments can be used as appropriate. At the same time fever according to the body temperature to give physical or drug antipyretic treatment. 2. Children with endocrine diseases such as hyperthyroidism can also have recurrent fever symptoms, often accompanied by lethargy, excessive sweating, fear of heat, increased appetite and other symptoms, treatment can be used methimazole, propylthiouracil, propranolol and other medications, and some children may need surgical treatment. In addition, other diseases may also cause recurrent fever in children, such as rheumatism, Kawasaki disease and so on. It is recommended to seek medical advice as soon as possible and go to a regular hospital to find out the cause to avoid delay. Follow your doctor’s instructions for medication.