Financial statement analysis is an important management activity that provides management decision and control basis for various financial statement users. It is an important tool for companies to evaluate the past and judge the future. An effective financial evaluation system should not only focus on the analysis of internal financial data , And should focus on the use of non-financial information. This article uses the Harvard analysis framework as a tool, based on the financial statements of the J company from 2015 to 2019, and applies a special analysis method to analyze the company’s financial status and operating results. The purpose is to determine and provide the financial statements included in the figures. Types of trends and relationships, analyze and summarize the experience of financial management in the operation of the enterprise, analyze its existence