Red blood in the eyes may be caused by physiological factors, or may be caused by bacterial conjunctivitis, iridocyclitis, scleritis and other pathologic factors, the different causes of different treatments, you should go to the hospital in time to confirm the cause of the disease. 1. Physiological factors: mostly caused by eye fatigue due to overuse of eyes, daily attention should be paid to rest, avoid looking at electronic products for a long time, which can alleviate the symptoms, generally no special treatment. 2. Pathologic factors: (1) Bacterial conjunctivitis: usually accompanied by symptoms of increased boogers, can be treated with antibiotic eye drops under the guidance of a doctor, such as levofloxacin eye drops. (2) iridocyclitis: most of them are caused by immune diseases, and can be treated with glucocorticoid eye drops, such as dexamethasone eye drops, under the guidance of a doctor. (3) Scleritis: Treatment of scleritis includes topical treatment with eye drops and systemic treatment. Eye drop treatment can choose non-steroidal anti-inflammatory eye drops such as Pranoprofen eye drops under the guidance of the doctor, and systemic treatment requires the use of topical eye drops and systemic corticosteroids such as dexamethasone under the guidance of the doctor. The first thing you need to do is to get enough rest, and if you can’t get any relief after resting, you should consult a doctor, and all medications should be used under a doctor’s supervision, not on your own, so as not to jeopardize your condition.