There is no clear answer as to whether it is better for type 2 diabetic patients to take medication or to take insulin, it is based on the patient’s pancreatic islet function, the severity of the disease with medication, and the medication should be used in accordance with the doctor’s instructions. Diabetes is a group of metabolic diseases characterized by chronic hyperglycemia caused by multiple etiological factors, type 2 diabetes manifests itself as insulin resistance as well as insulin deficiency, in the early stages of diabetes, metformin and other drugs are generally used to help the body control blood glucose, along with the progression of the disease, the pancreatic islet function is gradually declining, insulin is severely deficient, insulin may be needed for treatment. Patients with type 2 diabetes are advised to use medication under the guidance of a doctor.