Financial analysis has important reference value to guide the financial management of the company, and it can provide effective judgment basis for the financial budget planning of the company. The main goal of financial analysis is to use appropriate technical means to conduct comprehensive analysis of the company's financial information, to provide decision-making information for the company's financing and investment, and to provide effective help for promoting the company's profitability, debt repayment and growth ability in business activities. Based on the company's financial information, the use of relevant professional technology to analyze the business management of the enterprise, and finally make a conclusion from the financial point of view, and put forward reasonable suggestions for the problems. Taking Yunnan Copper Co., Ltd. as an example, this paper uses the relevant methods of financial analysis to make a detailed analysis of the company's profitability, solvency, operation ability and development ability, finds out the existing problems, and puts forward relevant suggestions to improve the company's financial situation in view of various problems.