四合院是从明代的北京延续下来的古典建筑风格的住宅。四合院之间的狭窄的街道被称为胡同。一个四合院有园林包围着四个房子，有高高的围墙保护。四合院与胡同都是人们常见到的，有超过700多年的历史，但是由于现在的城市改造和中国经济的发展，四合院慢慢地从北京消失。

　　Si He Yuan is a classical architecture style of residential hous?ing of Beijing citizens dated from the Ming Dynasty. The narrow streets between the Si He Yuan are called Hutong，s. A single implementation of Si He Yuan comprises of garden surrounded by four houses and protected by high walls. Si He Yuan with Hutong which have been very familiar to people，having a history of more than 700 years now suffer from the ur?ban renovation and economic development of China, and they are slowly disappearing from Beijing.