Abstract: Based on analyzing financial ecology related theory,this paper brings forward the financial decision-making ecosystem model.It is a complex ecosystem which consits of decision-making eco-nuclear,inner ecology of decision-making,and outer ecology of decision-making.The research focuses on the financial decision-making within the basic structure of ecosystem and the elements of the optimization effect.The development orientation of China’s financial management and strategic choice are presented.The study of financial management through the theoretical analysis can be combined with the actual conditions,which provides a systematic basic theory and analyzing tool  to explore the characteristics of financial management development path and to achieve  more scientific,democratic and institutionalized decisions.

Key words: financial management, ecology, financial decision-making ecology, inner ecosystem, financial environment, optimization effect