Today, the source of power is the correct flow of information. By using technology in providing information, it has given power to those who have access to information sooner. Information technology is a tool to facilitate, control and monitor. There is now a growing need for systems that work on data analysis and report on real data. Systems that perform complex data analysis are called business intelligence. Business intelligence systems extract the hidden meanings of the data stored in the database and use them to make the right decisions. In fact, interpreting data and using it to make business decisions and convert data into interpretable form is called business intelligence. In this article, the problems of preparing quality financial reports are classified into 3 categories, which include: a- Problems due to the simultaneous implementation of accounting principles b) Problems due to the implementation of accounting restrictions c) Problems due to measurement in accounting. The purpose of this study is the effect of using business intelligence in providing quality financial information for timely and appropriate decision making. To measure the impact of business intelligence on the quality of financial information, interviews and questionnaires were collected from the Iranian Society of Certified Public Accountants. Then, the collected information was evaluated through structural equations. The results of the research indicate a significant relationship between business intelligence and information quality.