With the improvement of people’s living standards and the acceleration of the pace of life, diabetes, known as the “disease of affluence”, has shown a fierce trend of rapid rise. According to the World Health Organization, the number of people with diabetes has reached 366 million worldwide, the majority of whom are type 2 diabetics. The cost of diabetes is that one person dies from the disease every seven seconds worldwide, and 4.6 million people die from the disease each year. Diabetes is a chronic disease that cannot be cured but can be controlled. It manifests itself as high blood sugar and can be characterized by symptoms of polyuria, polyphagia, polyphagia and lethargy, or the three more and one less symptoms. The three major complications of diabetes are eye disease, kidney disease and nerve disorders. type 1 diabetes occurs mostly in children and adolescents. type 2 diabetes occurs mostly in middle-aged and elderly people.