Considering the importance of investing in the capital markets for the growth and prosperity of the economy and regarding the negative impact of lack of financial transparency and information asymmetry on the level of investment in these markets on the one hand and the effect that competition in the product market can have on reducing information asymmetry be Therefore, in this research, we examined the impact of capital expenditures on the value of the company with emphasis on information asymmetry. It is expected that conducting this research will eliminate the gap and gap in the field of the impact of capital expenditure on company value and information asymmetry and help in the development of literature related to information asymmetry and product market competition and have a scientific contribution. It is also expected that investors, shareholders, managers of legislative institutions and other users will use the results of this research in making informed and useful decisions. In order to achieve the general goal of the research, two hypotheses were formulated. The statistical population of this research includes all companies present in the Tehran Stock Exchange from the beginning of 2016 to the end of 2015. The selected sample is 113 companies. The results of the hypotheses test show that capital expenditures have a positive effect on the value of the company. Also, information asymmetry does not affect the relationship between capital expenditure and company value.