Subconjunctival hemorrhage is usually caused by eye strain, conjunctivitis, trauma, etc. and usually appears as redness of the eyes. Subconjunctival hemorrhage is usually caused by eye fatigue, conjunctivitis, trauma, etc., and usually manifests as red eyes. Fundus hemorrhage is mostly caused by eye lesions and systemic lesions, and usually manifests as blackness in front of the eyes. Subconjunctival hemorrhage: 1, eye fatigue: usually manifested as blurred vision, dry eyes, astringent eyes, etc., due to irregular work and rest or long-term stay up late, reading books and not relaxing the eyes. At this time, it is recommended to take sufficient rest, you can use hot towels, hot compresses, but also follow medical advice to use artificial tears for treatment; 2, conjunctivitis: often due to external stimulation, infection and other factors, usually in the summer, there will be eye bleeding, eye itching, increased secretion performance. In terms of treatment, bacterial conjunctivitis can be treated with levofloxacin hydrochloride eye drops to relieve the symptoms. Viral conjunctivitis can be relieved with morpholine guanidine hydrochloride eye drops. In general, you need to pay attention to hand hygiene and do not rub your eyes at will; 3. Trauma: If the patient has pain in addition to bleeding eyes, you need to consider whether it is caused by traumatic factors, which usually do not require treatment and can be absorbed on their own, so pay attention to rest. Fundus bleeding: 1, eye lesions: such as retinal perivenous inflammation, retinal vein obstruction, high myopia, tumors and other eye lesions can lead to fundus bleeding, of which retinal lesions are more common causes of fundus bleeding, it is recommended that the patient promptly seek medical attention after the emergence of this situation, through physical examination, laboratory tests, imaging examinations and other clear causes, the cause can be treated, if necessary, also need to 2, systemic diseases: such as diabetes, hypertension, intracranial diseases, blood diseases, etc. can lead to fundus hemorrhage, commonly diabetic retinopathy, hypertensive retinopathy, etc. At this time, it is necessary to treat according to the original disease, after controlling blood sugar and blood pressure, and then apply drugs such as Carbacrol for hemostatic treatment, and also use other drugs, such as phenosulfamethoxazole, thromboxane, etc. that help the recovery of vision. For patients with primary diseases, it is recommended to follow medical advice to actively control the primary disease. In addition, some newborns may be squeezed by midwifery instruments or the vagina and have bleeding eyes, which can be treated by using hot compresses and need to be examined if there is no improvement.