Built in the year of the Qing Kangxi (1664), Hu Shangxuan is the former residence of Hu Shangxuan, the 25th ancestor of the second-pin Guanming Hu. Hu Shangxuan is the eldest son of Hu Guansan and the father of Hu Jitang, the owner of the Lufutang. The middle door of the gate is the tall arch coupon of "Water Huanyue Arch". The gate is built with three four-poster arches on the fifth floor, and the two sides are made of water-grinded blue bricks to form a eight-character gate building. The top of the door is a wooden eaves, the highest level. The front of the hall is composed of the upper and lower halls, three rooms and the left and right wing rooms. The columns were slanted into the back climbing lions, the wooden lotus doors in the house, and some ancient furniture, all exquisite and exquisite, which showed the luxury of the owner at the time.