Study on System Innovation and Coal City Sustainable Development:Take Yongcheng City of Henan Province as an Example
以河南永城为例，分析煤炭城市面临产业结构单一、环境恶化等问题，从管理和系统创新角度提出可持续发展对策。
Coal city is one type of the most imporatant city in China.Chinese coal mining is growning very fast,and Chinese coal city are facing problems such as single-product industrial structure,environmental deterioration and land sink.It has improtant theorial and practical significance to study coal city sustainable development.This paper takes Yongcheng city of Henan province as an example,it explore the problems and countermeasures of coal city sustainable development.The paper analyzes the social and economic characters of Yongcheng city,explore the sustainable development problems that Yongcheng city has been facing,and put forward some countermeasures for sustainable development from the aspect of the management and system innovation.