The main causes of leg ulcers are poor venous blood return and increased venous blood pressure, which can lead to edema, sclerosis, ulcers and other manifestations in the patient’s legs, as well as secondary to trauma, insect bites or eczema. When there is a hole in the leg ulcer has not been healed, consider that it may be related to poor physical fitness, wound infection, poor local blood circulation, etc. Common causes and treatments 1, poor health: when the patient is older or immune system is low, resulting in poor cell tissue regeneration, may appear on the leg ulcer wound has not been healed phenomenon. It is recommended that patients take more rest and eat foods rich in vitamins and proteins to help improve the body’s immunity and facilitate wound healing; 2, wound infection: improper wound care or untimely treatment, resulting in wound infection and septicemia, may also cause the phenomenon that the ulcerated wound on the leg has not healed. It is recommended that patients follow medical advice to the hospital for debridement and dressing change on time, such as the application of boric acid water, neomycin solution, saline cleaning or wet dressing, to keep the wound clean and dry, follow medical advice to apply topical and oral anti-infective drugs to treat the wound caused by infection does not heal; 3, poor local blood circulation: when patients themselves suffer from varicose veins, atherosclerosis and other diseases, will cause poor local circulation blood circulation, resulting in Skin and subcutaneous tissue malnutrition, so that the leg ulcer wound has not been healed. It is recommended that patients actively treat the primary disease while properly treating the ulcer to improve poor local blood circulation and facilitate the healing of the ulcer. Note for patients with a hole in the leg ulcer, daily attention should be paid to the wound do not touch water, reduce the time of standing and walking, avoid weight bearing. Avoid spicy and irritating food, follow medical advice, and go to the hospital for regular review.