The main effect of Diquafosol Sodium Eye Drops is to promote the secretion of conjunctival epithelial cell aqueous humor and the secretion of cuprocyte mucin, and its main role is to treat dry eye accompanied by corneal epithelial damage. Diquafosmin sodium can act on the receptors on the membranes of conjunctival epithelial cells and cup cells on the ocular surface to promote the secretion of aqueous humor of conjunctival epithelial cells and the secretion of mucin of cup cells, thus promoting the secretion of tears and the healing of corneal epithelium. It is commonly used clinically for the treatment of dry eye accompanied by corneal epithelial damage. It is prohibited to use the drug in patients who are allergic to it, and it is prohibited to use the drug while wearing contact lenses. Avoid contact with the eye when using the bottle to prevent contamination; it should be discarded promptly about 28 days after opening. It is recommended to consult a doctor before use and follow medical advice.