四合院是北京传统的住宅形式,而门楼儿又是四合院的重要组成部分。它处于建筑物外观最突出、最显眼的部位。为了显示主人的富贵与权势,因而在建筑形式上要增强其富丽与庄重。老北京民间有旬谚语:“高台阶儿,红门楼儿,石门礅儿,碎砖头儿”。它说的是旧时北京一条胡同的形象写照。门楼为什么设在宅院的东南角呢?据史料记载,这是宋代以来在风水学 The Courtyard House is a traditional residential form in Beijing, and the gatehouse is an important part of the courtyard house. It is in the most prominent and prominent part of the exterior of the building. In order to show the owner’s wealth and power, it is necessary to enhance its richness and dignity in the architectural form. There is a folk saying in the old Beijing: “High steps, red doors, stone doors, broken bricks”. It is an image portrayal of an old alley in Beijing. Why is the gatehouse located in the southeast corner of the house? According to historical records, this is the Feng Shui study since the Song Dynasty.