Dry eye syndrome originally occurred mainly in middle-aged and elderly people, and was mainly attributed to liver and kidney deficiency, deficiency of yin and blood, and inability to nourish the eyes. In recent years, with the popularization of computers, the incidence of dry eye among young people has increased significantly. The main manifestations are: dry eyes, difficulty in opening, photophobia, burning, and inability to see for long, or accompanied by eye swelling and pain, dizziness, fatigue and other symptoms. Signs include ocular conjunctival congestion, corneal epithelial detachment, and corneal ulceration in severe cases. At present, the treatment is mainly based on artificial tears, but there are still more patients with severe dry eye symptoms can not be relieved, and the long-term use of artificial tears will lead to ocular surface drug toxicity, causing drug-related dry eye disease, in recent years, foreign countries commonly use the tear point plug implantation technology to treat severe dry eye, this technology is simple, 2 minutes to complete, almost no side effects and any pain, outpatient can be implemented, the patient is easy to accept. This technique is simple, can be done in 2 minutes, almost without side effects and pain, can be implemented in outpatient clinics, and is easily accepted by patients.