Wounds usually do not heal easily when blood glucose is elevated because bacteria in the body tend to overgrow when blood glucose is elevated and inflammation does not recover easily. In addition, due to the poor pancreatic function of diabetic patients themselves, insulin secretion is insufficient, the utilization of glucose in the blood is low, and when the protein in the body needs to be transformed, it cannot be transformed effectively, and protein deficiency is easily caused, all of which will affect the wound healing. Therefore, when high blood sugar appears in the wound, excluding its own debridement, but also to control the blood sugar.