Patient’s eye rot mostly refers to eye tissue erosion, which may be caused by blepharitis, chronic conjunctivitis and so on. Eye erosion usually occurs because the patient’s eye near the colony of confusion, the direct expression of the decline in the ability to resist, mostly in the corner of the eye area, of which blepharitis is the most common cause, blepharitis is a chronic inflammatory disease, long-term overuse of the eyes, visual fatigue, damage to the environment around the eyes or the decline in their own resistance, will cause more serious eye ulceration. In addition, chronic conjunctivitis patients will also occur in the corner of the eye erosion, its onset will produce purulent secretions, and will be in the corner of the eye at a large number of accumulation, the corner of the eye tissue in the secretion of the infiltration of the corner of the eye ulceration can occur. It is recommended that patients with ocular tissue erosion seek medical attention to evaluate their condition and follow medical advice.