Introduction to Saibei Jiangnan: The Saibei Jiangnan exhibition hall is located on the south side of the second floor of the museum, with an exhibition area of ​​400 square meters. It mainly displays the historical features of Ningxia in the Yuan, Ming and Qing dynasties. Through the display of Ningxia's social economy and historical culture during this historical period, the historical features of the past "fortressing the south of the Yangtze River" are shown.