Diabetic fundus hemorrhage is usually more serious, it will affect the vision, and in serious cases, it may cause blindness, which needs timely diagnosis and treatment. Complications of diabetes mellitus include diabetic nephropathy, cerebrovascular disease, diabetic retinopathy, peripheral neuropathy and so on. Fundus hemorrhage is diabetic retinopathy, which is one of the main causes of blindness. Diabetic retinopathy can be divided into six stages: stage I: microangiomas, small hemorrhages; stage II: the appearance of hard exudate; stage III cotton wool-like soft exudate; stage IV: neovascularization, vitreous blood accumulation; stage V: proliferation of fibrovascularization, vitreous mechanization; stage VI: pulling retinal detachment, blindness. Diabetic fundus hemorrhage focuses on prevention, usually to control blood sugar, try to avoid the occurrence of diabetic complications. When symptoms of fundus hemorrhage appear, go to the hospital as soon as possible and get timely treatment under the guidance of the doctor.