Abstract:The concept of insurance ecological harmony is the extension and application of the ecological harmony concept to the insurance field. It is the basic framework for achieving virtuous interaction and sustainable development between ecological system and the insurance industry. The paper suggested an evaluation system on the harmony level of the insurance ecological system, and applied the grey correlation theory to evaluate the insurance industry in 12 provinces, autonomous regions and municipalities directly under central government leadership in Western China. It provided an example for assessing the level of harmony of the insurance ecological system. Key words:insurance ecology; level of harmony; grey correlation analysis [编辑:施敏]