1, diet therapy Proper diet can reduce the burden of pancreatic beta cells, which is beneficial to the treatment of diabetes and diabetic foot. However, it is necessary to ensure reasonable nutrition and proper distribution ratio of sugar, protein and fat. Usually protein is 0.8-1.2g per kg of standard body weight per person per day [standard body weight (Kg) = height (cm) – 105]; fat is about 0.6-1.0g per kg of body weight per day according to body weight and blood lipids, etc. Staple food (rice or pasta) is 200-300g. increase the coarse fiber diet. 2, change bad and inappropriate habits Quit smoking and alcohol; warm water (avoid water temperature too hot and too cold) to wash the feet to keep the feet clean. Wear light and comfortable shoes to avoid hard objects entering the shoes and hurting the feet. Try to avoid pedicures and other health care. 3.Exercise therapy Appropriate regular walking exercise helps to increase the vascularity of the lateral branches of the ischemic limb and the oxygen uptake capacity of the muscles from the blood by: Type of exercise: patients insist on pedaling or walking until they stop after approximating the maximum limp pain, and then walk or pedal exercise after the symptoms disappear, and so on repeatedly Duration of each exercise: 35-50 minutes Frequency: 3- 5 times per week Duration: 3-6 months 4. Control blood sugar and blood pressure Ideal blood sugar control standard: fasting blood sugar <6.0 mmol/; 2 hours after meal <8.0 mmol/L; glycated hemoglobin.