Dry Eye Disease of Visual Display Terminal Ophthalmopathy (VDT) is a group of diseases, also known as VDT Syndrome, which includes ocular, systemic, and psychiatric symptoms due to prolonged use of terminal screens such as computers, word processors, and television game consoles, which affects the eyes and physical and mental health. As a result of prolonged, close gaze at the screen, it is easy to develop eyelid transient abnormalities (transient incomplete, transient reduction), excessive evaporation of tears, tear film break-up time is shortened, affecting the quality of the tear film, thus producing or aggravating the symptoms of dry eye. Treatment measures to prevent the main: 1, maintain the correct operating position, the screen to the eye distance of about 40-70cm, the line of sight slightly downward to form a certain angle. After using 1-2h computer, rest 10-15min, look into the distance, rest your eyes; appropriate physical activity. 2.Patients with refractive error should wear glasses with appropriate prescription. 3.When dry eye symptoms occur, artificial tears can be used, implantation of small tear plugs.