In general, the wound is a little red six days after the surgery, it may be because the tissue is being repaired, or the wound may be infected. 1. Tissue repair: in the clinic, for the postoperative people, the phenomenon of redness in the wound, if there is no other obvious adverse reaction, it is considered to be caused by tissue regeneration, the newborn granulation tissue is red, so it will make the wound red. 2. Wound infection: If there is a bacterial infection in the wound after surgery, it will cause redness in the wound, accompanied by swelling of the wound, elevated skin temperature and pain. At this time, in addition to changing the wound, but also anti-infection treatment, such as oral amoxicillin, cefaclor and other antibiotic treatment. If necessary, the wound sutures need to be partially removed to drain the pus. When the described symptoms occur, it is recommended to promptly inform one’s competent doctor to clarify the cause of the disease and treat it after following the doctor’s instructions.