Introduction to the former residence of Master Qin: The former residence of Master Qin, also known as Qin Zhuangyuan Mansion, is an important part of the "Qinhuai Residential Group" and the former residence of Master Qin, the 43rd number one scholar in the Qing Dynasty. Master Qin, also named Lu Yi, also named Jianquan, also named Jianquan, also known as Qiutian Laoren, was a native of Jiangning. He was the number one scholar in the 17th year of Qianlong's reign and was a bachelor's degree student. The former residence of Master Qin was first the residence of Prime Minister He Ruchong, and then the Number One Scholar's Palace. It has become a representative of Nanjing's Ming and Qing Dynasty palace architecture, which is rare in the world.