Nafamivir eye drops are mainly used for anti-allergy as well as relief of visual fatigue use, allergic conjunctivitis can be used, while acute cicatricial conjunctivitis or viral or bacterial infections of conjunctivitis, the use of nafamivir has little effect. Nafamivir for rapid-onset allergic conjunctivitis, eye redness, eye pain, burning sensation in the eye, for the relief of itching to relieve the clinical symptoms of better results. It contains vitamins as well as vasoconstrictor and anti-allergic drugs, which are more effective for acute allergies. If the allergic conjunctivitis is more severe, it can be combined with hormonal or non-steroidal anti-inflammatory drugs to treat cicatricial conjunctivitis or acute allergic conjunctivitis, and the efficacy is more obvious. In addition, the use of nafamivir also has certain side effects, because it contains adrenaline drugs, may be contraindicated for high blood pressure or acute closed-angle glaucoma.