Introduction to the back hall: On both sides of the back hall are the main rooms. On one side is the residence of Zeng Guofan's wife, Ouyang family; on the other side is the residence of his eldest son Zeng Jize and his wife. The left door of the front building is the south hall, with four main rooms on both sides, which are the residences of Zeng Guofan's second son Zeng Jihong and his wife; the right door is the north hall, which is the residence of Zeng Jihong's eldest son and his wife.