The main principles of exercise for diabetic patients are as follows: 1. Exercise time: fasting or immediate post-meal activities should be avoided, it is recommended to start activities 1-2 hours after meals, exercise time is generally 30-60 minutes, and exercise can be done 5 days a week; 2. Type of exercise: intense confrontational exercise is not recommended, such as playing basketball, soccer, etc., and more moderate aerobic exercise is recommended, such as brisk walking, jogging, etc.; 3. Pre-exercise preparation: The greater risk in exercise for diabetic patients is hypoglycemia, so snacks and beverages should be prepared before exercise, so that they can save themselves in time when symptoms of hypoglycemia occur; 4. Other aspects: If the patient has recently experienced dramatic fluctuations in blood sugar or has had hypoglycemia, as well as the current presence of acute complications of diabetes, such as ketoacidosis or serious infections, exercise should be suspended. Exercise therapy is one of the important treatments for diabetes, and reasonable exercise therapy helps patients to reduce weight and control blood sugar. In addition, nutritional therapy is also more critical for diabetic patients. Patients should limit carbohydrate and high-sugar food intake, eat regularly and quantitatively, and choose drier foods while eating slowly in order to help patients control blood sugar effectively.