Leg wounds have been bad, often due to the following reasons: 1, the wound may be infected, when the wound is infected, it will not be easy to heal. At this time, you need to go to the hospital regularly to change the medicine, if necessary, local debridement, while giving oral antibiotics or infusion for treatment; 2, there is a foreign body in the wound caused by the need to go to the hospital surgery or emergency department for disposal, generally need to take out the foreign body, and then regular medication; 3, nutritional status is too poor caused by, when the intake of nutrients is low, or physical condition is too poor, local wounds will not be easy to heal. When the intake of nutrients is low, or the physical condition is too poor, the local wound will not be easy to heal. At this time can be appropriate intake of fresh fruits and green vegetables, appropriate intake of low-fat high-quality protein, common fresh fish and shrimp, leaner beef, etc.; 4, if the patient has diabetes, and blood sugar control is not good, will also lead to difficult to heal the wound, need to go to the hospital as soon as possible to the Department of Endocrinology to adjust the blood sugar.