One wall and three doors are easy to cause outdoor strong airflow to enter from the door and exit from the door, which is easy to form a return air evil spirit, and it is also easy to form a feng shui that leaks money. In view of the phenomenon that one wall opens three doors, the number of doors is too much, which has redundant meaning, so residents living in this space will quarrel because of some trivial matters, which will affect the harmony of family relations.