Introduction to Jigong’s ancestral residence: Jigong’s ancestral residence, Li Mansion, adopts the architectural form of the “Three Transparent Nine-Ming Hall” on the rooftop of the Southern Song Dynasty. The building complex uses the central axis as the symmetrical axis and is symmetrically laid out left and right. Its halls, halls, and rooms , corridors and other buildings are tightly combined around the central axis. The middle hall is the core of the house and is a place for family discussions, receptions, celebrations and other important activities; the back hall is where the family worships and enshrines the ancestors' spiritual tablets; the wing rooms are distributed on the east and west sides and are where family members live their daily lives; the third courtyard is It adopts the "Four Waters Returning to the Hall" style. Compared with the buildings of the Qing Dynasty, its patio is relatively narrow, and the entire residence appears deep and orderly, tight yet biased, concise yet noble, which not only shows that it is aristocratic family. The grandeur of a noble family highlights the glory of the emperor's favor.