Diabetic patients can gain weight by reasonable diet, proper exercise, and avoiding weight-reducing hypoglycemic drugs. 1. Reasonable diet: It is recommended to increase the intake of foods with low sugar content and high energy content, such as nuts, lean meat, eggs, milk, soybeans, etc., which can increase the intake of protein, fat, etc., and thus increase weight. Pay attention to monitoring blood sugar fluctuations. 2. Appropriate exercise: a combination of aerobic and anaerobic exercise, do some muscle building training, muscle is heavier than the weight of fat, muscle increases, fat decreases after the weight will also increase relatively. Less stay up late, keep a good mood, avoid excessive mental stress. 3. Avoid using hypoglycemic drugs with weight loss effect: such as metformin hypoglycemic drugs, you can communicate with your doctor to develop a personalized hypoglycemic program. Diabetic patients should gain weight reasonably under the doctor’s advice, and maintain stable blood sugar while gaining weight.