Shareholders and investors to invest in the stock market takes a lot of information based on the information in the financial statements is one of those cases. Change of this information can be the basis for decisions. Than in this study, we reviews this changes and effects.In this study, the relationship between entropy and profits in various industries as financial Tehran Stock Exchange in the form of the proposed model, has been studied. For this purpose, we measurement the change of items in the financial statements based on the entropy and study the effect of these changes on profits changes and we will show that the change in profits changes will lead to these items.Tehran Stock Exchange of Information Industry for 14 years 1379 to 1389 is. This test method is the Pearson correlation coefficient and regression analysis using SPSS 18 software and EVIEWS 7 is done. The results of this study show the relationship between entropy and the financial statements of profits changes in a small number of industries and companies in Tehran Stock Exchange that according to the limited this industry and company research hypotheses were rejected.