Abstract: Taking China's A-share heavily polluting listed companies from 2011 to 2017, and examines the effect of natural resources and assets accountability audit of officials on corporate green M&A. The studies founds that natural resources and assets accountability audit of officials can significantly promote the local enterprises implement green M&A; and when the regional market competition is higher, the more they will inhibit the expansion of green M&A in the context of natural resources and assets accountability audit of officials. The further studies found that corporate green M&A will significantly increase corporate value, and the promotion effect is more significant in the year of M&A. Based on heterogeneity analysis, natural resources and assets accountability audit of officials will restrict the environmental governance behaviors of enterprises with different property rights, so as to promote them to adopt green M&A and implement green development. Further, natural resources and assets accountability audit of officials will be more conducive for companies in the eastern region to green M&A, but not obvious to the companies in the central and western regions.green M&A; regional market competition

Key words: natural resource asset management, green mergers and acquisitions, regional market competition