Diabetic diet and nutrition therapy is very important, it is the basic treatment measures for all diabetic patients, total control, meal sharing system, etc. have been recognized and followed by most diabetic patients. The principles of dietary nutrition therapy for diabetic patients are the summaries of hundreds of years of research and experience in the developed western countries and regions, which are generally suitable for patients in all countries and regions. However, with the increasing demand for treatment, control and especially reversal, diabetic diet and nutrition treatment in compliance with the general principles, to achieve individualized, socialized and free diabetic diet and nutrition treatment has been the new requirements of diabetes treatment in western developed countries, and also the consensus of our National Diabetes Society expert group. Diabetes as a lifestyle disease, as long as we correct the poor lifestyle, we can play a good role in the treatment and control of diabetes. However, to reverse some of the symptoms and course of diabetes, there will be some overkill measures. For example, depending on one’s condition and treatment, one can gradually fine-tune the diabetic’s diet regimen under the guidance of a diabetes specialist once progressive evidence is available to assist in medication control and coordinate exercise therapy; also the quality of carbohydrates is more important than the quantity of these nutrients, picking a diet rich in whole grains, fruits, vegetables, legumes and nuts that is appropriate for one’s stage under the guidance of a diabetes specialist. It is also important for diabetics to know exactly the appropriate amount of alcohol they should drink after testing; and to provide practical dietary nutrition therapy for diabetics based on changing dietary patterns, available foods, and the agricultural characteristics of different regions. The dietary and nutritional treatment plan for diabetic patients is not set in stone; while following the general principles, there is also emphasis on the individual situation of each diabetic; in particular, it is important to determine the individualized and liberalized dietary and nutritional treatment plan for each diabetic according to their condition and treatment evidence; for patients with diabetes reversal requirements, it is necessary to reverse the dietary and nutritional treatment plan according to the evidence of their treatment, which is an international diabetes The new requirement for treatment.