Pus in the wound after cesarean section is considered to be an infection of the incision, you should go to the hospital in time to check the condition of the incision, and according to the checking condition to do local treatment, such as irrigation, debridement, etc., and systemic use of antibiotics is also needed if necessary. 1. Local treatment of the wound, the infection is not serious may not remove the sutures, remove the local pus can be placed in drainage, and regular drug changes, until the incision is healed. If the infection is more serious, the local suture should be removed and the incision should be flushed with saline. If necessary, the local inactivated tissues should be removed with scissors, and if there is a dead cavity, saline-soaked sand cloth should be used to fill in the local area, and the wound should be cleansed regularly, and the medication should be changed regularly. 2. Systemic use of antibiotics, small scope of infection, no systemic manifestations do not need systemic use of antibiotics, while the scope is large, and there is fever, fatigue and other systemic manifestations can be done secretion culture and drug sensitivity test, according to the results of the use of sensitive antibiotics, such as ceftriaxone sodium, levofloxacin combined with metronidazole and so on. The localization of the incision should not be moist, and should be kept dry and clean at all times, and intimate clothing should be changed regularly. In addition, the specific use of all the above drugs should be taken under the guidance of a doctor.