The difference between type 1 diabetes and type 2 diabetes is mainly as follows: i. Type 1 diabetes is the absolute insufficiency of insulin secretion by the pancreas, and insulin must be applied to treat it. ii. type 2 diabetes is the relative insufficiency of the amount of insulin secretion, with insulin resistance and delayed insulin secretion as the main characteristics, and oral hypoglycemic drugs or insulin hypoglycemic treatment is available. iii. type 2 diabetes is the relative insufficiency of insulin secretion, with insulin resistance and delayed insulin secretion as the main characteristics. Second, type 1 diabetes patients have greater fluctuations in blood glucose, blood glucose is more difficult to control, need to be very regular diet and exercise. the risk of hypoglycemia in type 1 diabetes patients is also relatively large, pay attention to meals on time, avoid fasting exercise and too intense exercise, around the preparation of food, panic, sweating, and other symptoms to eat immediately. type 2 diabetic patients with blood glucose is relatively smooth. Regardless of type 1 and type 2 diabetes in the treatment should be based on diet, exercise, in the diet, exercise based on the combination of drugs or insulin glucose in order to achieve a better therapeutic effect, delay the occurrence of complications, development.