Ocular hemorrhage can be divided into subconjunctival hemorrhage, anterior chamber hemorrhage, vitreous hemorrhage, fundus hemorrhage, etc. Depending on the site of hemorrhage, the visible ocular hemorrhage mostly refers to subconjunctival hemorrhage, mostly seen in the elderly, and common causes include excessive exertion, trauma, influenced by drug factors or disease factors. A common cause: 1, excessive force: such as excessive force in daily life when coughing, sneezing, vomiting, defecation and other actions lead to increased abdominal pressure, which can lead to excessive local pressure, thus triggering the rupture of small blood vessels, the phenomenon of ocular hemorrhage; 2, trauma: such as forceful rubbing eyes or external collision, squeezing the eye, can also lead to subconjunctival blood vessel rupture, triggering local bleeding symptoms; 3, drug factors. Commonly include drugs that affect coagulation, such as anti-platelet drugs or anticoagulant drugs, or drugs injected under the conjunctiva, which may also lead to subconjunctival hemorrhage; 4, disease factors: such as conjunctivitis can lead to local vasodilation, leukemia, thrombocytopenic purpura, hemophilia and other blood disorders can affect coagulation, hypertension, atherosclerosis, scurvy and other diseases can affect vascular function, as well as retinal vein Peripheral inflammation, optic disc vasculitis, diabetes mellitus, wet macular degeneration, neovascular glaucoma, etc., may lead to subconjunctival hemorrhage. In addition, nephritis combined with severe anemia can also lead to subconjunctival hemorrhage or other parts of the eye; 5. Other: increasing age and the fragility of its own blood vessels are also predisposing factors for ocular hemorrhage. In addition, dry weather may also lead to this phenomenon, this situation generally does not need to deal with, drink more water, keep the air moist can be. Second, treatment: For patients with mild symptoms, such as only minor blood, blood spots, without special treatment, part of it can be absorbed on its own. Within 48 hours of the appearance of bleeding symptoms can be appropriate local cold compresses, after 48 hours can be hot compresses, which will help accelerate the elimination of symptoms. If accompanied by dry eyes, foreign body sensation and other symptoms, you can use artificial tears such as sodium glassate drops, or oral vitamin C to help relieve symptoms. In severe cases, patients with inflammation can be treated with antimicrobial eye drops, and those with drug-induced symptoms can ask their doctor if they need to stop taking the medication. In addition, patients with primary disease should be actively treated for the primary disease and, if necessary, surgical treatment.