Recurrent fever in babies over eight months old can be caused by rashes, or bacterial pneumonia, Kawasaki disease, etc. 1. Early childhood acute rash: It is a common acute fever and rash disease in infants and young children, and the affected children will show fever. After 3 to 5 days of fever, the fever suddenly drops and then the rash appears, which may be accompanied by eyelid edema, runny nose, diarrhea, loss of appetite, enlarged lymph nodes in the neck and other symptoms. 2. Bacterial pneumonia: more than eight months of the baby’s recurrent fever may be caused by bacterial pneumonia, bacterial pneumonia mildly affected children can be manifested as fever, cough, cough sputum, asthma and other symptoms. Severe cases of children may be in addition to repeated fever, there will be breathing difficulties, lower blood pressure, decreased urine output and changes in consciousness, and even life-threatening. 3. Kawasaki disease: more than eight months of the baby repeated fever may also be caused by Kawasaki disease, the child in addition to fever, will be accompanied by the ball combined with membrane edema, oral mucosa diffuse congestion, strawberry tongue and other symptoms. Eight-month-old babies with recurrent fever may also be other reasons, it is recommended to take the child to the hospital in a timely manner, to clarify the cause of the disease under the guidance of the doctor reasonable treatment.