北京四合院临街大门前的门槛两端下角,都有两个卷起的圆形或长方形石头,它们有一个好听的名字叫“门墩”。在门墩没有出现之前通常是用门枕木或门枕石,门墩就是由此演变而来的。早期的门墩比较简单,体积小,有素面或简单的花纹做装饰。明清时期,吉祥文化的发展,对门墩文化产生了极大影响,丰富了门墩画面的内 Beijing Siheyuan front door threshold at both ends of the lower corner, there are two rolling round or rectangular stone, they have a nice name “piers ”. The door pier was evolved from the usual use of door sleepers or door pillows before the pier appeared. Early door pier is relatively simple, small size, plain or simple pattern to do decoration. During the Ming and Qing Dynasties, the development of auspicious culture had a great influence on the piers and the interior of the piers