The purpose of this study is to investigate the relationship between the company's life cycle and the comparability of financial statements, with an emphasis on the moderating role of the company's cash flow and the information asymmetry of companies listed on the Tehran Stock Exchange. The present research method is classified as descriptive research in terms of nature and is also considered as correlational research in terms of method. For this purpose, information from 129 companies listed on the Tehran Stock Exchange during the years 1401-1395 (7 years) was used. In this study, the library method was used to collect data and information. In the data section, the research was carried out by collecting data from sample companies by referring to financial statements, explanatory notes, and the monthly magazine of the Stock Exchange. Descriptive and inferential statistics were used to describe and summarize the collected data. In order to analyze the data, first, pre-tests of variance heterogeneity, F-limer test, Hausman test and Kolmogorov-Smirov test were used to examine the normality of the data, and then, multivariate regression test was used to confirm and reject the research hypotheses using Eviews version 10 software. The results showed that the company's life cycle has a positive and significant effect on the comparability of financial statements. Information asymmetry has a significant moderating effect on the relationship between the company's life cycle and the comparability of financial statements. The company's cash flow has a significant moderating effect on the relationship between the company's life cycle and the comparability of financial statements.