For the elderly, a variety of daily exercise is an important part of life, more conducive to maintaining physical and mental health. Once the leg and foot problems occur, walking is bound to be affected, and the inability to walk normally limits the activity space of the elderly, trapping them at home, which makes them feel bad and prone to various heart and lung diseases. Saphenous varicose veins are very common in the population and the incidence is very high, up to 10-20%. Many patients think that saphenous varicose veins do not need treatment, some of them think that saphenous varicose veins are neither painful nor itchy and should not be a disease, so they do not take this disease seriously and often let the disease gradually worsen without receiving treatment, while another part of patients do not go for treatment because they are afraid of treatment, especially of painful surgery. Common hazards of saphenous varicose vein: 1, seriously affect the beauty of the legs: saphenous varicose vein seriously affects the beauty of the legs, varicose vein besides affects the beauty of the legs, at the beginning of the disease, the symptoms of saphenous varicose vein are more soreness and discomfort and pain for the patient, and later the damaged veins bulge and expand and become tortuous. 2.Necrosis: This kind of ulcer mostly occurs in the upper part of the inner ankle and the lower 1/3, of the inner calf. The symptoms of varicose veins in lower limbs are due to insufficient blood supply to the tissues, thinning of the tissues around the ulcers, blackening and hardening of the skin, and the ulcers do not heal for a long time and are prone to recurrence after the prognosis. 3, vein damage: long-term varicose veins in patients with weak vein walls, high venous pressure, coupled with insufficient local blood supply caused by muscle fat atrophy, the symptoms of varicose veins in the lower limbs are varicose veins protruding under the skin, a mild injury will occur ulcers, and easy to damage the vein wall. 4, edema combined with eczema: because of venous reflux patients often appear in the morning light, night heavy edema of the affected limbs; edema aggravated, but also cause eczema. 5, skin pigmentation: long-term venous hypertension leads to increased capillary permeability in the calf area, the rupture of red blood cells after exudation, and the deposition of ferric red pigment under the skin, making the skin darker, from dotted to patchy development. 6, bleeding: varicose veins through the area, the skin long-term malnutrition, very fragile, varicose veins once ruptured, it is easy to cause haemorrhage, more serious is a, this bleeding is often not accompanied by pain and other symptoms, if it happens at night, the patient often can not detect, directly endanger life. 7, venous thrombosis: some patients can form thrombosis in the superficial varicose veins, manifested as local redness, swelling and pain, hard lump formation, pain affecting walking, if not treated in time, the thrombus may spread upward or through the traffic vein to the deep vein, causing deep vein thrombosis, with the risk of life-threatening pulmonary embolism. 8, ulcers until the old rotten leg: the patient’s skin itching, the patient’s scratching back to aggravate the eczema, the emergence of erosion and ulcers, due to insufficient blood supply to the tissue, ulcer tissue will become thin, the skin is black and hard, until necrosis. This kind of ulcer is difficult to cure, the local malodorous flow of pus, and over time the formation of old rotten leg. 9, amputation: varicose veins if ulcers occur, the formation of old rotten legs, treatment is much more difficult, if then suffer from other diseases, serious patients will eventually face amputation. The most common leg and foot disease in the elderly is leg numbness, tenderness, cold, serious leg pain, many people think this is lumbar disc protrusion or back and leg pain, but in fact the most common disease that causes these symptoms in the elderly is lower limb atherosclerosis occlusive disease, because the artery with the age of blockage, resulting in lower limb artery blood flow gradually weakened, so that leg pain, leg numbness, tenderness, cold and other symptoms, serious Severe leg pain can cause patients to be unable to walk, or even have severe leg pain when they are not moving in bed, and they cannot sleep for 24 hours because of leg pain.