Introduction to the main building: The living room and the loft upstairs are combined to form the main building of the entire courtyard. The eaves and rafters are painted with copper coin patterns, and they are written in sequence: "One fortune, two people are of the same mind, three yuan is in harmony, four seasons are safe, the grain is abundant, the six are in spring, the seven are reunited, the eight immortals are longevity, the ninth is living together, the tenth is the same. "Full wealth and honor" has strong folk custom interest.