Wound non-healing may be related to chemotherapy, or it may be caused by other diseases. Chemotherapy will affect the wound healing, so in the case of the wound is not healed after surgery is not allowed to carry out chemotherapy, the general post-surgery adjuvant chemotherapy time in the postoperative period of 3 ~ 4 weeks, when the patient’s surgical wounds have basically already healed and removed the stitches, if chemotherapy is carried out too early after surgery, the wound may be delayed healing or even non-healing situation. In some patients, wound healing may be related to other diseases, and diabetic patients may have difficulty healing their wounds. In the time period after surgery and before chemotherapy, you can eat some nutritious food under the guidance of the doctor to improve your resistance, but not early chemotherapy, early chemotherapy may also have nausea and vomiting, abdominal pain and diarrhea and other adverse reactions.