The height of the screen should not be too high, and it is best not to exceed the height when standing. Otherwise, too high screen center of gravity is unstable, but it is easy to give people a sense of oppression, which invisibly causes the psychological burden of users. In the office, if you want to pay attention to your personal environment and improve your work attention, you should try your best to keep your personal space undisturbed. According to the characteristics of the office, we should make it easy for people to look around when sitting up, and concentrate on their work at their desks without interference from the external sight screen.