Fever after cesarean section is usually related to wound infection, pelvic infection and viral infection in the body. It is recommended to carry out anti-inflammatory and anti-infection treatment under the guidance of doctors. Common causes and treatments 1, wound infection: in addition to fever, if accompanied by pain, redness and swelling at the wound, or even pus and other symptoms, you need to consider that the fever is caused by wound infection. At this time, you should go to the hospital, in addition to clean the wound and change the medicine, if the symptoms are serious, you need to clear the wound and carry out the second suture; 2, pelvic infection: such as pelvic inflammatory disease. After cesarean section, germs are easy to retrograde from the vagina and proliferate rapidly in the warm pelvis, triggering infection. If the patient is also accompanied by painful urination, persistent pain in the lower abdomen and other symptoms, the possibility of pelvic inflammatory disease needs to be suspected. At this time, you need to go to the hospital for routine blood and pelvicoscopy, and culture urine specimens in order to confirm the diagnosis of the causative organisms, the disease can be treated by cefuroxime; 3, the body viral infections: such as influenza. At this time, the maternal body is weak, if inadvertently catch a cold, or by others infected with influenza virus, it is easy to fever. At this time you need to isolate the mother and baby to prevent infection. Mothers can be treated with antiviral drugs under the guidance of a doctor. In addition, the mother should drink plenty of water to promote the expulsion of the virus. Mothers should pay attention to rest, ensure sleep and avoid overwork. In daily life, she should drink more water and consume more fresh fruits and vegetables, such as oranges and pears, to ensure the intake of micronutrients in the body.