Introduction to the main house: The main house has two halls, an upper hall and a lower hall, each with a main room facing each other. There is a middle door between the upper hall and the lower hall. There are side doors on the left and right, which are usually used for family members to walk. If officials come or there are special matters, Then open the gate and the middle door to welcome him. There is a plaque between the middle door, with the words "Mingde Hall" written by Yan Song himself and stamped with his seal. Entering the upper hall, there are corridors outside the left and right wing rooms. To go to the upper hall, you have to pass through the main alley. There are small doors under the alley of the wing doors leading to other ancillary places. Normally, there is a small room above which is about a foot higher than the floor of the upper hall. This room is specially used for reading the imperial edict and worshiping. The attached building also has 7 conference hall suites, an embroidery building, a back garden, etc.