Introduction to the Theater Courtyard: The Theater Courtyard is a quadrangle. According to the research of drama history experts, this family theater courtyard is one of the only two remaining family theater courtyards in Shanxi folk houses. The other one is in Kong Xiangxi’s house in Taigu County. inside. This small stage is rarely used on weekdays. Even on celebratory occasions such as weddings, birthdays, and full moons of the Cao family, a spacious courtyard in Sanduotang is always used to set up a stage. As for this stage, only when the owner of the Cao family entertains celebrities and dignitaries, would he invite famous actors to sing on this small stage. When singing on the small stage, a snow-white tent was set up in the courtyard, two tables, a few chairs, tea, various dried and fresh fruits, candies and snacks were prepared. The guests and hosts watched and chatted.