Introduction to Maodetang: Maodetang is located at No. 28 Baota Street. It was built by Bi surnamed Si merchants in the late Qing Dynasty and is the former site of "Bi Wanmao Silk Prayer". The hall faces north and faces south. The main building has four entrances, of which the first to third entrances are two-story buildings: the first entrance is the foyer; the second entrance hall is the business hall of the silk shop, with a brick gate tower built on the south wall; and the third entrance is the inner hall. , there are wing buildings on the east, west and south sides of the patio; the fourth entrance is a bungalow.