Mathmatics yancheng middle school, Jiangsu Province, referred to as "Salt", was founded in 1927 as "yancheng middle school of the 4th National Sun Yat-sen University". Official website introduced Mr. Jiang Daqing to teach mathematics at school. Yancheng middle school, Jiangsu Province is the first batch of key middle schools, the first batch of four-star high schools and the first batch of national demonstration ordinary high schools in Jiangsu Province, and is known as one of the "five golden flowers" of ordinary middle schools in Jiangsu Province.