First, prevention of diabetic foot control of blood sugar is the key, but also an effective means to slow down the occurrence of peripheral vascular and neuropathy. Secondly, it is important for patients to detect themselves early, and they should also pay attention to adjusting their diet and eating more foods rich in vitamins and fibers. In addition, we should take care of our feet and pay attention to the details of life. Including: (1) wash feet, wash feet with warm water every day, use flexible soap to avoid stimulation; test the temperature with your hand or thermometer before washing to prevent the water temperature from being too high and scalding your feet; dry feet can use moisturizing lotions and other skin care to prevent dry, cracked skin. (2) Avoid burns. Because diabetic patients often can not judge the temperature due to abnormal sensation of the skin of the foot, therefore, in the cold winter season diabetic patients should not warm their feet by the fire, do not use hot water bags, electric blankets, foot warmers, etc. (3) Check the feet frequently, check the feet and between the toes in a bright place, and check the soles of the feet with a mirror, pay attention to whether there are corns, calluses, foot fungus, skin cracks, blisters, blood blisters, redness and swelling, etc. Once the above conditions are found, treat them actively. (4) Wear comfortable shoes and socks. Choose shoes with a wide, soft, breathable toe and appropriate size, and socks with good absorbency and breathability, while socks should be washed in time and kept clean. (5) Correctly trim toenails. It is best to choose to trim the toenails after washing the feet when they are soft, should not be trimmed too short, too close to the skin. (6) Adhere to foot exercise, can improve blood circulation in the lower limbs and prevent the occurrence of foot lesions. Patients should adhere to foot exercises for 30 to 60 minutes a day. (7) Treat foot wounds in a timely manner and seek medical treatment without delay.