Introduction to Shuangfeng Academy: Shuangfeng Academy, formerly known as Shuangfeng Temple, was built in the Song Dynasty and was destroyed and rebuilt several times. In the early Qing Dynasty, Cheng Zhengkui, the minister of the Ministry of Industry and painter, returned to his hometown from the capital to visit his relatives. He gave lectures here for two spring and autumn periods and cultivated many talents for the country.