How many years a diabetic patient can live is uncertain, if diabetes is detected at an early stage, after scientific and reasonable treatment methods such as a reasonable diet and proper exercise with the use of hypoglycemic drugs, it is possible to get the same life expectancy as a normal person, but if diabetes is poorly controlled, combined with other serious complications, the survival period may be shortened accordingly, depending on the individual situation. After the diagnosis of diabetes mellitus should be under the guidance of a physician for the full management of diabetes mellitus, including health education, medical nutritional therapy, exercise therapy, blood glucose monitoring and medication and other comprehensive treatment means. 1. Diabetes health education is an important basic management measure, which is the key to the success or failure of diabetes management. Every diabetic patient should receive comprehensive diabetes education, fully understand diabetes and master self-management skills. 2. Medical nutrition therapy, the general principle is to determine a reasonable total energy intake, reasonable and balanced distribution of various nutrients, to restore and maintain an ideal body weight. 3. Exercise therapy, under the guidance of the physician to carry out regular and appropriate exercise, step by step, and long-term persistence. 4. Condition monitoring, including blood glucose monitoring, monitoring of other cardiovascular disease risk factors and complications. 5. Pharmacological treatment of hyperglycemia, including oral drugs and injectable preparations. When diet and exercise fail to bring blood glucose control up to the standard, glucose-lowering drugs should be applied in a timely manner. Therefore, it is recommended that diabetic patients receive systematic treatment in a timely and reasonable manner so as not to affect the quality of life and survival time, and consult the doctor if they feel unwell.