In fact, in the three essentials of Yangzhai in ancient books, it is said that it is more expensive to get straight to the point, which means that if the stove mouth and the gate are in a straight line, it may lead to unfavorable people and property, and even damage the health of residents. The solution is to move the stove to another place. Generally, the top of the stove can't be pressed by a beam, otherwise it will also affect the health of residents.