Type 1 Blood Sugar Type 2 Blood Sugar here should refer to type 1 and type 2 diabetes, the difference is the age of onset, the cause of onset, and the treatment method. Compared with type 2 diabetes, type 1 diabetes has an earlier age of onset, is mostly caused by genetic factors, and must be treated with insulin for a long time. 1. Age of onset: type 1 diabetes usually develops in young people; type 2 diabetes occurs in middle-aged and old people, especially overweight or obese people. 2. Pathogenesis: Type 1 diabetes is caused by absolute shortage of insulin secreted by the pancreas and absolute lack of insulin, which is mostly caused by genetic factors; Type 2 diabetes is caused by relative lack of insulin secreted by the pancreas, which is mainly characterized by insulin resistance and delayed insulin secretion, and it is caused by a variety of factors, such as genetic factors, improper diet, lack of exercise, drugs and so on. 3. Treatment: Type 1 diabetes must be treated with insulin; type 2 diabetes can be treated with oral hypoglycemic drugs or insulin. Diabetic patients are advised to seek timely medical attention.