The purpose of this paper is to promote the development of corporate green management and put forward suggestions on the optimisation of the financial management system. The research methods of this paper: questionnaire survey method, interview method, literature research method. Research results: The questionnaire survey shows that 93.1%, 83.8% and 84.8% of large, medium and small enterprises are willing to implement green financial management; in terms of financial basic management staffing, the optimised professional degree of company A has dropped from 34.43% to 22.37%, the undergraduate degree has increased from 56.78% to 65.25%, and the postgraduate degree has also increased by 4.01%.