Shangdetang is located in the upper reaches of the stream in front of Xidi Village, and is the oldest surviving Ming Dynasty residential building in Xidi Ancient Village, about 400 years old. The main reason for coming to Xidi is to see these old buildings of the Ming and Qing Dynasties. The old buildings here pay attention to carvings. The three sculptures of Huizhou are brick carvings, stone carvings, wood carvings. Pay attention to many places will leave these marks.