Type 2 diabetes can be treated with insulin. type 2 diabetes is the type of diabetes that affects the largest number of people. type 2 diabetes has both insulin resistance and insulin deficiency. In the treatment of type 2 diabetes, both oral hypoglycemic drugs and insulin therapy can be administered. type 2 diabetes requires insulin in the following cases: a. type 2 diabetes patients whose control by oral hypoglycemic drugs is ineffective can be treated with insulin. b. type 2 diabetes with acute and chronic complications can be treated with insulin. c. type 2 diabetes can be treated with insulin. d. type 2 diabetes can be treated with insulin. Second, type 2 diabetes combined with acute and chronic complications, such as diabetic ketoacidosis, hyperosmolar coma and other acute complications, or when combined with diabetic nephropathy, diabetic fundus lesions, coronary artery disease and other chronic complications, also need insulin therapy. Third, insulin therapy is required in the perioperative period of type 2 diabetes. IV. Insulin therapy is also needed when type 2 diabetes is combined with serious infections, liver and kidney insufficiency, large cerebral infarction, myocardial infarction, heart failure and other serious diseases. V. Insulin therapy is also recommended for some patients with type 2 diabetes with significant initial blood glucose elevation, or for patients with wasting, difficult-to-type diabetes.