Recurrent fever and headache in children may be related to pneumonia, viral meningitis, tuberculous meningitis and so on. 1. Pneumonia: for example, Mycoplasma pneumonia, which is infected by Mycoplasma pneumoniae, causing inflammation in the lungs, and the causative agent affects the body temperature center. Repeated fever, as well as cough, headache, fatigue and other symptoms. 2. Viral meningitis: it is infected by enterovirus, adenovirus and other diseases, causing edema and congestion of the brain tissue in the skull, accompanied by recurrent fever and headache. 3. Tuberculous meningitis: due to Mycobacterium tuberculosis infection, due to inflammation caused by increased intracranial pressure and other reasons will lead to headaches, which often appear irregular fever. Repeated fever and headache in children can also be seen in other causes, it is recommended to consult a doctor in a timely manner, follow the doctor’s instructions for relevant examinations, with the help of the doctor to clarify the cause, and targeted treatment or treatment.