Diabetic patients may be in the early stage, due to poor blood glucose control, will lead to weight loss is more obvious. First, after oral metformin in diabetic patients, there will also be a significant weight loss, so diabetic patients weight gain method, should be strict blood glucose control, blood glucose control to the normal level, after the blood glucose will reduce the consumption of blood glucose on the body, the weight will also appear to be a gradual increase in the situation. Secondly, if oral metformin drugs, patients can stop, change to other sulfonylurea drugs orally, on the one hand, can control blood sugar, on the other hand, can also stop the weight loss. Third, diabetic patients can eat more food with high protein content, can also increase weight, this kind of food on the one hand does not affect blood glucose, on the other hand, the health of the body is also good, do not recommend diabetic patients to eat food with high fat content to gain weight or weight, because it will lead to serious lipid metabolism disorders, increase the occurrence of cardiovascular and cerebrovascular diseases.