It is a carved eith many kinds of the propitious pattern, and it has steady and decorative function, it represent the grade and the social position of the host.

• 是合院建筑中用于门面结构的重要配件和门饰，与踏级配合相宜，通常雕有各式吉祥纹样，兼具加固和装饰的双重作用，代表着主人的社会地位和等级。