The most taboo behind the desk is the empty door. The so-called empty door means that there is a door or window or aisle behind it. It's easy to feel insecure, and it's most difficult to concentrate on office. The back of the human brain is the brain wave radiation area, which is also one of the most sensitive parts of the human body's induction gas field. Therefore, it is best to have something fixed behind the office seat; If someone is walking behind, it is easy to distract people, invisibly turning part of their attention to the back of their heads, consuming energy for a long time, and affecting work efficiency and health. If this happens, you can put a screen behind you or use a chair with a high backrest.