Redness in the eyes cannot be eliminated quickly, but it can be relieved by some measures. Redness in the eyes may be related to physiological factors such as excessive eye use and environmental influences, or pathological factors such as dry eyes, eye allergies, or conjunctivitis. Under the influence of diseases, in addition to red bloodshot eyes, there may be discomfort symptoms such as swelling and pain, abnormal discharge. For the method of eliminating red blood, it needs to be targeted according to these pathogenic factors. A, physiological factors long time reading, cell phones or stay up late and other excessive use of the eyes, the eyes for a long time in a state of congestion, will appear red blood. If the eyes only show red blood, you can ice the eye patch, clean towel cold compress, etc., so that the eyes vascular contraction, reduce the symptoms of congestion. In addition, you need to ensure sufficient sleep, avoid staying up late, you can do eye exercises massage and relax, you can also occasionally use eye drops such as naphthyminavir eye drops to relieve visual fatigue. Second, pathological factors 1, foreign body stimulation: daily life dust, powder and other foreign bodies may enter the eye, stimulating the eye will appear red blood and other symptoms, for the smaller volume of foreign bodies can be gently wiped away with sterile cotton swabs, the symptoms will be relieved. For foreign bodies such as debris and metal fragments, you need to go to the hospital for treatment measures such as saline rinsing and ophthalmic special instrument clamping by a doctor; 2. Eye allergy: when the eyes are exposed to eye drops, make-up and other items, red blood, itchy eyes and other symptoms may be caused by eye allergy. Should be immediately away from allergens, appropriate hot compresses, and then choose anti-allergy, anti-inflammatory eye drops for relief, but be careful not to rub with your hands to avoid aggravating the infection; 3, dry eye: patients with dry eye will have red and congested eyes, which in turn cause red blood. Treatment of dry eye can be done under the guidance of a doctor and can be treated with artificial tears instead, or glucocorticoids such as prednisone can be used to reduce the secretion of the tear glands. Daily advice to avoid prolonged viewing of cell phones, computers and other electronic devices, you can intermittently watch green plants or look into the distance to rest your eyes; 4, eye inflammatory diseases: when the conjunctiva of the eye is infected by bacteria and other pathogens, under the stimulation of inflammation, some patients will cause red bloodshot eyes, there will also be local pain, redness, itching symptoms. In the acute phase when symptoms are more severe, the eyes can be flushed with saline to relieve symptoms. Clinically, antibacterial eye drops such as levofloxacin and norfloxacin are usually used for treatment. In addition, we need to pay attention to the reasonable use of eyes in ordinary life, try to shorten the use of electronic products, pay attention to the hygiene of the eyes do not often rub the eyes with your hands, you can do more eye exercises to relax the eyes; such as those who are often on fire, stay up late, you can drink more fire drinks, such as chrysanthemum tea, cassia tea, etc. . When eye discomfort occurs and the symptoms do not subside, you must immediately go to the hospital ophthalmology or emergency department. After the eye examinations such as vision examination and measurement of intraocular pressure are conducted by professional staff, the patient will be diagnosed and treated. Patients should not blindly use medication on their own to avoid aggravating and delaying the disease.