The building that best characterizes the traditional Chinese extended family is the siheyuan.

The building that best represents the characteristics of the traditional Chinese large family is the courtyard. According to the query related information, the courtyard, also known as the four houses, is a traditional Chinese courtyard-style architecture, the pattern of a courtyard with houses on all sides, from all sides of the courtyard in the center, so the name courtyard. With a history of at least 3,000 years, there are various types of siheyuan throughout China, with the Beijing siheyuan being the typical one. The courtyard is usually inhabited by a large family, with good warmth in winter and coolness in summer, which can form a private living environment, and its architecture and pattern reflect the traditional Chinese hierarchical thought of respect and inferiority, as well as the doctrine of yin and yang and the five elements.