Commonly used drugs for treating diabetic retinopathy include hypoglycemic drugs, anticoagulants, vasoprotective drugs, etc. Surgery is needed when necessary. 1. Hypoglycemic drugs: such as Metformin, Acarbose, Repaglinide, Insulin, etc., which are used to control blood sugar and prevent further development of the disease. 2. Antiplatelet drugs: such as aspirin, used to inhibit platelet aggregation and prevent microcirculation thrombosis. 3. Vasoprotective drugs: such as calcium hydroxybenzenesulfonate, which is suitable for patients with early-stage lesions, is used to regulate the microcirculation of the retina and reduce diabetic retinopathy. 4. If the condition is serious, surgical treatment is needed. Surgical methods include vitrectomy and intraocular injection. If diabetic retinopathy occurs, it is recommended to consult a doctor in time and standardize the use of medication under the guidance of the doctor.