In recent years, the development of the market economy has been accelerating, and the competitive pressure of enterprises has also increased, which makes enterprises face certain financial risks. DuPont financial analysis system is a relatively complete and comprehensive financial analysis method.Through the DuPont model, we can have a comprehensive understanding of the financial status of the company, and analyze the relevant factors. Equity and net profit are the core indicators. This indicator can be decomposed layer by layer to fully understand the solvency, operating capacity and profitability of the company ability.
Based on the 2018-2020 annual report data of company A, a state-owned enterprise, this article reviews the company's business and financial profiles;On the basis of expounding the company's basic situation and development trend, the DuPont analysis system is used to study the company's profitability, and the influence of the company's net sales profit rate, total asset turnover rate and equity multiplier on ROE is analyzed;At the same time, the net sales rate, total asset turnover rate and equity multiplier are further decomposed, and the impact of the decomposed factors on the return on equity is deeply analyzed by using the chain substitution method, so as to find out the problems of profitability and related reasons.The results show that the company's overall sales revenue is increasing year by year, its net profit is relatively stable, and its profitability needs to be improved.Finally, from the perspective of finance and management, the following suggestions are put forward: further expand the scope of main business, improve the company's innovation ability level; tap the company's internal potential, strengthen cost management; improve the company's internal control; Optimize and improve the inventory management system to increase the inventory turnover rate; optimize the capital structure and promote the sustainable development of the enterprise.