Prevent circulatory disorders in the lower extremities. Prohibit smoking, which can cause vasoconstriction and reduce blood supply. Keep warm, cold can cause vasoconstriction and reduce blood supply to tissues, so patients should wear warm shoes, socks and pants. When sitting, do not press one leg cross* on the other leg to avoid compression and close the lower limb blood vessels. Maintain foot hygiene. Wash the feet every night with soft soap and warm water, paying special attention to between the toe crevices. Dry gently and thoroughly with a soft towel, without rubbing excessively hard, to prevent any minor skin damage from occurring. After drying, rub well with vegetable oil to soften the skin and prevent dryness and cracking. If the toenail is brittle, soak it in borax (1 tablespoon of borax per liter of water) in slightly warm water for half an hour every night to soften the toenail, then rub it around with vegetable oil. Trim The toenail should not be too short to avoid damage to the nail groove causing secondary infection. Normally, attention should be paid to the warmth and cleanliness of the foot, and avoid washing the foot with water that is too hot. Skin friction injuries should be treated promptly. Any very small injury should be taken very seriously. Redness, sores, pain and swelling of the skin should be seen in the hospital. Small cracks in the skin can form ulcers or gangrene if left untreated. The use of harsh disinfectant solutions, such as iodine, is prohibited. Treatment of corns and relief. Corns and calluses are caused by friction and extrusion, mostly due to wearing ill-fitting shoes and socks, so wear well-fitting, soft-soled shoes and socks to avoid friction and extrusion. Treatment of corns should be carried out by an experienced person, not by the patient himself. After treatment is completed, a suitable felt pad should be used to maintain an even distribution of pressure on the bottom of the foot. Treatment of corns should be done by soaking the feet in warm soapy water for 20 minutes every night and then wiping off the epidermis with gauze. Prevention and treatment of mycobacterial infections of the foot. After each foot wash, withdraw powder or prickly heat powder between the toes to keep the area dry. If you have tinea pedis, use Clotrimazole ointment treatment. Do not walk barefoot, one to prevent bruises, two to prevent burns, frostbite. When choosing shoes for diabetic patients, the toe of the shoe should be wide and long enough to completely straighten the toe and be able to move slightly. Shoes should be well ventilated, with cloth and canvas shoes being the best, and it is best to have 2 to 3 pairs of shoes to replace them to ensure that they are dry. People with deformities should order special orthopedic shoes to avoid squeezing the deformed parts. New shoes should generally be tried on, the trial time should not be too long, if there is no discomfort can gradually increase the daily wear time until used to. Foot cover (socks) should be soft, suitable, daily washing, elastic mouth moderate, so as not to affect blood circulation. Prohibit the use of hot water bags to insulate the feet. Do not use electric heaters to dry your feet. If you use electric blankets, remember to turn off the switch before going to bed. Many diabetic patients are allergic to the heat of electric blankets, resulting in burns to the skin. To improve poor blood circulation in the lower extremities of diabetics, you can do walking exercises and leg exercises. Do as much walking exercise as you can every day, it is best to implement a section of 30 to 60 minutes a day.