Varicose veins in the lower extremities are a common venous valve disease, with no symptoms in the early stage, but later will appear leg sleepiness, soreness, weakness, suffocation, pain, cramps, itching, blackening, dermatitis, flowing water, dermatitis, ulceration, forming “old rotten legs” and “polycarbonate legs”. Long-term treatment or healing and recurrence. The following is to introduce the harm of the disease: 1, affect the beauty of the legs: varicose veins in addition to affect the beauty of the legs, the onset of the early stage, the patient more sore discomfort and pain; late damaged veins bulge, expansion of the tortuous, to the calf saphenous vein trip for the heavy. 2, vein damage: long-term varicose veins in patients with weak vein walls, high venous pressure, coupled with insufficient local blood supply caused by muscle, adipose tissue atrophy, varicose veins protruding under the skin, a mild injury will cause ulcers. 3, edema combined with eczema: due to venous stasis caused by tissue edema aggravated, and then occur eczematous skin changes. 4, ulcers: itchy skin, the patient will not be able to help scratching, aggravating eczema, erosion and ulcers. Bingcheng long often have skin atrophy, flaking, itching, hyperpigmentation, skin and subcutaneous tissue sclerosis, and even eczema and ulcer formation, sometimes may be complicated by bleeding and thrombophlebitis. Ulcer infection involving bone tissue can cause osteomyelitis. 5.Necrosis: This kind of ulcer mostly occurs in the upper part of the inner ankle and the lower 1/3 of the inner calf. Due to insufficient blood supply to the tissue, the ulcer becomes thin around the tissue, the skin becomes black and hard, the ulcer does not heal for a long time, and it is easy to recur after healing.