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 treatment 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 fever caused by wound infection. At this time, you should go to the hospital, in addition to clean and change the wound, if the symptoms are serious, you need to debridement and secondary suturing; 2, pelvic infection: such as pelvic inflammatory disease. After cesarean delivery, germs tend to retrograde from the vagina and proliferate rapidly in the warm pelvic area, causing infection. If the patient also has symptoms such as painful urination and persistent pain in the lower abdomen, the possibility of pelvic inflammatory disease needs to be suspected. At this time, it is necessary to go to the hospital for routine blood and pelvic microscopy, and culture urine specimens in order to confirm the diagnosis of the causative agent, the disease can be treated by cefuroxime; 3. Body viral infections: such as influenza. At this time, maternal body is weak, if inadvertently caught cold, or by others infected with influenza virus, it is easy to fever. At this time, the mother and baby need to be isolated to prevent infection. The mother can be treated with antiviral drugs under the guidance of the doctor. In addition, the mother should drink more water to promote the discharge of the virus. The mother should pay attention to rest, ensure sleep, and avoid overexertion. In daily life, they should drink more water and eat more fresh fruits and vegetables, such as oranges and pears, to ensure the intake of trace elements in the body.