Polyvinyl Alcohol Eye Drops are an over-the-counter medication that is primarily used to treat dry eye and can usually be dispensed four times a day. Polyvinyl Alcohol Eye Drops are commonly used as artificial tear drops for the treatment of dry eye, and can be used to rehydrate the eyes to quickly relieve symptoms such as dryness, stinging, foreign body sensation, and photophobia, and to improve the patient’s quality of life. For current routine treatment, polyvinyl alcohol eye drops are usually dispensed four times a day. When patients treat dry eyes, they can also do hot compress therapy for the eyes, as well as blepharoplasty massage therapy. Polyvinyl alcohol eye drops may have adverse reactions such as eye irritation and allergic reactions. Specific medication should be used by the doctor according to the severity of the disease, can be individualized to guide the patient’s medication.