Protective eyewear is the most important issue that people need to pay attention to when watching television. When placing the television, the top height of the fluorescent screen, generally should be flush with the line of sight when the person is sitting. It is generally believed that the viewing distance when watching TV, to 8-10 times the height of the screen for the best visual area; distance for 6-7 times the height of the screen, for the general visual area; distance for 4-5 times the height of the screen, for the worst visual area. So watch 29-inch TV, the distance should be greater than 4 meters; watch 18-inch TV, the distance should be greater than 3 meters. When watching TV, the brightness adjustment should be appropriate, contrast adjustment should also be appropriate, the ambient light deployment to be reasonable. When watching TV during the day, curtains should be hung, the brightness adjustment is higher; when watching TV at night, behind the audience above or to the side, to be equipped with faint lights. To adjust the brightness of the room. The content of the television image is constantly changing, so when watching television, eye fatigue is easy to occur. Therefore, it is important to properly control the amount of time spent watching TV continuously. In addition, young children under 3 years old should not watch TV; children under 12 years old should not watch TV for a long time. After watching TV, you should always insist on washing your hands and face, which can eliminate the impact of high-frequency radiation from the TV on the human face and skin. When watching TV, drink more tea and water. At the same time, pay attention to dust removal and dust control, and maintain a certain humidity, which can reduce the impact of various radiation power generated by the TV on the human respiratory tract.