Diabetes-induced fundus edema should be controlled with insulin to control blood glucose level, use vitamin B1 to nourish nerves, and hyperoxia treatment to relieve the symptoms of retinal hypoxia if necessary. 1. Use insulin to control blood sugar: the most fundamental treatment for diabetes-induced fundus edema is to control diabetes, which can be injected with insulin. 2. Use vitamin B1: Vitamin B1 is often used to treat neuritis and other diseases, and has the function of nerve nutrition. Diabetes-induced fundus edema may also cause optic nerve damage, the use of vitamin B1 can play a certain role in optic nerve nutritional support. 3. Hyperoxia treatment: If diabetes causes small vessel pathology, resulting in retinal hypoxia, hyperoxia treatment can be applied to alleviate the symptoms of fundus and retinal hypoxia when necessary. If the symptoms of diabetes caused by fundus edema, you need to consult a doctor in time, to clarify the extent of fundus edema, under the guidance of the doctor to carry out targeted treatment and treatment.