Hypertension fundus is examined by fundus fluorescence imaging. Hypertension can cause arteriosclerosis over time, which first manifests itself as retinal arteriosclerosis in the fundus. According to the retinal lesions are divided into four levels: hypertension fundus level 1 changes refers to retinal arteriosclerosis; level 2 is the retinal arteries have uneven stenosis, arteriovenous cross-pressure; level 3 refers to the retinal arteries have edema, oozing, and even hemorrhagic spots; and level 4 is the optic papillae edema appeared on the basis of the third level. Hypertension fundus I and II changes need to control blood pressure can be, when there are three or four changes, in antihypertensive drugs to control blood pressure on the basis of the need for fundus laser treatment.