Introduction to the former residence of Ai Buchan: The former residence of Ai Buchan, a famous Wu family doctor, is located at No. 15 Xiaojia Lane. It was built in the late Qing Dynasty. It has two roads and three entrances: the east road is the main road, and there are halls and halls behind the walls and doors. The hall is named Yide Hall; the west road is the flower hall and study room, but they are dilapidated and in disrepair.