Diabetic patients need to find the cause of weight loss, according to different reasons to take different treatment measures: 1, if the pre and postprandial blood glucose is significantly elevated can lead to impaired utilization of body sugar, causing weight loss, need to adjust the amount of medication as well as adjust the diet, blood sugar control and stable weight can slowly stabilize. 2, combined with other chronic wasting diseases, such as tumors, liver and kidney disease, hyperthyroidism, etc., can be further 3, strict dietary control or excessive exercise can also occur in the case of protein and fat consumption, so that weight loss, you can properly adjust the diet and exercise. 4, some patients in the process of eating metformin and acarbose drugs will also significantly reduce weight, you can adjust the dose or type of drugs to stabilize weight.