Based on the analysis of a series of financial conditions in the financial report of an enterprise, through the fine-tuning and rectification of the financial aspects and after-sales services of the enterprise, the financial situation of the company is clear, the advantages and disadvantages are clear, the development trend of the enterprise is clear, and the financial management information is provided to improve the financial management and make important business decisions. This paper makes a comprehensive analysis of the financial situation of Yunnan Energy Investment Co., Ltd., analyzes the financial statements of the company for the past three years from 2015 to 2017, and comprehensively evaluates the company's operation ability, debt paying ability, profitability and development ability, and puts forward opinions on the financial management of Yunnan energy Investment Co., Ltd., and stands on the report respectively. Table users and managers to consider issues from the perspective, so that people who pay attention to the company can understand the past performance of the company, present business situation and forecast the future of the company to provide accurate information, and truly evaluate the performance of the company.