Also known as adult-onset diabetes, many at 35 ~ 40-year-old after the incidence, accounting for more than 90% of patients with diabetes. Patients with type 2 diabetes produce insulin, the ability of the body is not completely lost, and some patients might even have too much insulin, but the effect of insulin is greatly reduced, so the patient is a relative lack of insulin. Some oral drugs can stimulate insulin secretion in vivo. However, there are still some patients the latter as required for type 1 diabetes as insulin therapy.

Insulin-dependent diabetes mellitus and non-insulin-dependent diabetes mellitus is the previous one and the name of type 2 diabetes.