Red eyes are the first thing to consider for conjunctivitis. If it is conjunctivitis, in addition to eye redness, it will be accompanied by eye itching, foreign body sensation, increased secretion, tearing and other symptoms. Pay attention to eye hygiene, try not to rub your eyes with your hands, and you can use some anti-inflammatory eye drops, such as levofloxacin eye drops, pranoprofen eye drops and so on. If there is no symptom of eye itching or eye pain, and the eyes are simply red, then we should consider the problem of dry eye. Dry eye syndrome is usually caused by overuse of eyes, too long, visual fatigue, so pay attention to the intensity of eye use, you can use artificial tears, such as sodium vitrate eye drops to relieve the symptoms.