Diabetes is a “civilized” disease brought about by the “civilization” of modern lifestyle, and its high incidence has become the third largest killer of human health. It has become the third largest killer of human health, and is now attracting more and more attention from the medical community and national governments. Diabetes is a chronic disease, a lifelong disease. In the early stages, it can be asymptomatic and not attract the attention of patients. In the later stages, it can cause damage to several organs and parts of the body such as the heart, brain, kidneys, eyes, gastrointestines, and feet. Once complications arise, treatment is difficult and the disease is almost irreversible, requiring hospitalization. The expensive medical bills can place a huge burden on the family’s economy and the country’s health insurance costs. That is why early detection and treatment and early screening are important, and it is important to increase the rate of diabetes awareness, control, and compliance. Early and small expenses to control the disease will save big expenses to treat the disease in the future. So what can be done to keep diabetes under control and to keep the flare-ups from appearing or appearing later? Diabetic patients learn to self-management, to do the following: 1, to learn the knowledge of diabetes, know the causes of the disease, the image of blood sugar factors. For example, actively participate in diabetes education and learning classes held by the hospital or community, and actively participate in diabetes club activities. Through various channels to obtain diabetes knowledge. 2.Regularly monitor blood glucose, understand the level of self-glucose control and the factors that image blood glucose. 3. Eat a reasonable diet, balanced nutrition and control the total calorie intake. Eat less food with high sugar content or high glycemic index. 4.Choose a suitable exercise method according to your physical condition. 5.Visit the hospital regularly and get guidance from the specialist. In conclusion, diabetes is a chronic lifelong disease that requires long-term comprehensive and independent treatment. In addition to medication under the guidance of a physician, diet and exercise are the foundation of diabetes treatment and should be used throughout the treatment of diabetes. This means that the five carriages of diabetes treatment: education, diet, exercise, medication, and monitoring. Only patients with good self-management can have good blood sugar control. Only then can we prevent the emergence of morbidities and live, work and study like normal people in a better, high-quality way.