Abstarct: Financial literacy is one of the necessary principles and vocabulary of financial issues. Financial inclusion is an important indicator of economic growth and poverty reduction. Financially included households are able to increase savings, invest in education, start businesses, empower women, and improve health and wellness messaging. Past studies have shown that financial literacy plays an important role in promoting financial inclusion. Therefore, in this descxriptive survey research, we investigated the effect of financial literacy on financial inclusion among active investors in Tehran Stock Exchange companies. According to the results of the main hypothesis of the research, the coefficient of the path of financial literacy on financial inclusion is equal to 0.869. The value of t statistic is equal to 9.558, which is more than 1.96. Therefore, the coefficient of the above path is significant at the confidence level of 95%. Therefore, baxsed on the results of the present study, it can be concluded that financial literacy has a positive effect on financial inclusion