Diabetic fundus stage manifestation, also known as diabetic retinopathy stage and manifestation. In stage I, only small hemorrhagic spots of microangioma appear in the fundus, and the patient has no conscious symptoms. In stage II, yellow hard exudate and hemorrhagic spots appear in the fundus, and there are no obvious conscious symptoms in this stage. In the third stage, absorbent cotton spots and diffuse hemorrhagic spots appear in the fundus, and the patient may have different degrees of vision loss. In stage IV, there is neovascularization and vitreous hemorrhage in the fundus, and the patient has significant vision loss. In stage V, there is neovascularization and fiber proliferation in the fundus. In this stage, the patient has significant vision loss and may have visual impairment. In stage VI, there is neovascularization and fiber proliferation in the fundus, complicated by retinal detachment, and the patient basically loses vision in this stage.