 Second, the Zhai-Baos is separated from the village, which is the most unique form of village found in China so far.Thirdly, the middle and upper room (living room) of Hancheng Courtyard, represented by Dangjia village, is not a space for daily living, but a dignified and bright ceremonial space and sacrificial space.And the space of "one bright and two dark rooms separated" widely used in northern dwelling houses, rarely used in Hancheng.