YunCheng is the only special salt routine city in history. In the 20th century, YunCheng's salt industry had gone through four stages: unequal treaty and YunCheng's salt industry; YunCheng salt industry round about DingEn's reform; Japanese and Chinese warlord robbed of YunCheng salt pond; the development of YunCheng salt industry in the People's Republic of China.The salt industry had exerted great influence on YunCheng's economy, social public services, education and cultural undertakings. The salt tax revenue was the major source of YunCheng's revenue. The salt industry also promoted the other industries in YunCheng. Temple fair economy enriched people's lives in YunCheng; The salt businessmen subsidized YunCheng's charities in the end of 19th century. After the establishment of the People's Republic of China, YunCheng's salt office and NaFeng group corporation was the major contributor to the social public services; At the beginning of 20th century YunXue transformed into a system including the primary and secondary school. After the establishment of the People's Republic of China, YunCheng's salt office set up its own schools, which promoted YunCheng's education. YunCheng also formed the culture with local characteristics.In the 20th century, YunCheng's salt industry had three trends: the traditional idea that "salt is dominated" became dim; The production of the table salt turning to the pluralistic industrial structure; The way of utilization of resources was adjusted and optimized. |