Recurrent fever in children may be caused by persistent infections, etc. The cause of the recurrent fever needs to be clarified and treated accordingly by lowering the temperature and treating the cause. Infections may cause fever in children, and if the infection is not controlled in time, it may lead to recurrent fever in children, such as pneumonia. Pneumonia can lead to persistent fever, which needs to be treated promptly. However, fever reduction is only temporary, if the inflammation is not controlled, when the condition worsens, the fever will reappear, and repeat. If pneumonia is the cause of recurrent fever, it is necessary to go to the hospital to receive timely treatment. Doctors will advise on a treatment plan that suits the patient’s condition. If it is bacterial pneumonia, antibiotics, such as penicillin, will be needed. Different patients have different conditions, and the specific treatment plan will need to be decided by the doctor. Recurrent fever in children may also have other causes, need to consult a doctor in time, clear diagnosis, active symptomatic and causative treatment, so as not to delay treatment.