New dressings (alginate dressings, Kanghuier ulcer paste, nano-silver material): with moisturizing, heat preservation, high absorption capacity, generally can absorb 17 times its own weight of exudate, reduce the number of dressing changes, is conducive to the protection of newborn tissues, the new dressings of the inner layer of the wound with the secretion of the formation of the gel, for the local creation of a favorable environment for the growth of newborn tissues of the pH and humidity, the epithelial tissue grows fast, accelerating the Wound healing. Laser, infrared ray, microwave therapeutic instrument and hyperbaric oxygen treatment of lower limb ulcers is a safe and effective non-invasive auxiliary treatment. Zhao Donghong, Department of Plastic and Reconstructive Surgery, Jinan Military General Hospital Other treatments: bed rest, elevation of the affected limbs to reduce local pressure; systemic application of antibiotics (according to the results of wound secretion culture + drug sensitivity); patients who are smokers should be advised to quit smoking in order to prevent postoperative pulmonary complications and to reduce microcirculatory disorders; and active treatment of the primary disease.