Diabetes mellitus requires attention to medication care, life management, condition monitoring and regular follow-up. 1. Medication care: diabetic patients need to pay attention to the adverse reactions during the use of hypoglycemic drugs, once an adverse reaction occurs, it is necessary to stop in time and consult a doctor. 2. Life management: Keep regular life and do appropriate exercise. Pay attention to personal hygiene and prevent infection. To avoid gangrene caused by vascular occlusion, it is recommended to avoid wearing hard shoes. Adopt a balanced diet, choose diversified food, pay attention to the combination of coarse and fine staple food, do not favoritism, do not pick food, eat less high fat, high sugar, high cholesterol food. 3. Condition monitoring: diabetic patients need to learn to observe the skin and foot abnormalities, once abnormalities need timely treatment. They should also monitor their blood glucose regularly to observe the control of blood glucose. 4. Regular checkups: Strictly follow the doctor’s instructions for regular checkups, and treat any discomfort at any time. There are many complications of diabetes, we need to try to make the blood sugar control standard, in order to delay the occurrence or development of complications, once there is an abnormality need to find a regular hospital for treatment in a timely manner.