Twenty-two days after cesarean section a little fever is best not to cover one, without addressing the cause of the disease, simply by covering the sweat may instead lead to aggravation of the condition. Fever after cesarean section may be caused by milk, puerperal infection, respiratory tract infection, etc., which need to be dealt with in different ways. 1. Rising milk: If the fever is accompanied by breast swelling and pain, hardness, etc., it is considered to be caused by rising milk. The mother can empty the breast milk, and at the same time use physical cooling to lower the body temperature. 2. Puerperal infection: In addition to fever, the mother may also be accompanied by vaginal bleeding, lower abdominal pain, etc., need to use penicillin or cephalosporin and other drugs under the guidance of the doctor to treat. 3. Respiratory tract infection: maternal fever accompanied by sore throat, cough, runny nose and other respiratory symptoms, considered a respiratory tract infection, can be treated with medication under the guidance of a doctor. If it is a bacterial infection, you can use penicillin, cephalosporin and other drugs, if it is a viral infection, you can use oseltamivir and other drugs to treat. If postpartum fever occurs, you need to consult a doctor for examination, clarify the cause of the disease, and treat under the guidance of the doctor.