In this research, the effect of the characteristics of the board of directors in choosing the accumulated profit and loss method for financing the company (evidence from the Tehran Stock Exchange) was investigated. The statistical population in this research includes all active companies in Tehran Bahadur Stock Exchange. The method of the present research is of the field type according to the practical purpose and in terms of data collection, and according to the data analysis, it is descriptive and exploratory. For this purpose, a statistical sample of 146 companies was selected from the Tehran Stock Exchange for a period of 8 years (2011to 2018). The research findings showed that the estimated coefficient of the independence of the board of directors and the financing of the company through accumulated profit and loss is at the error level of 0.05; Because the p-value calculated for the coefficient of this research variable is less than 0.05; Therefore, it can be said that there is a significant relationship between the independence of the board of directors and financing through the accumulated profits and losses of the companies admitted to the Tehran Stock Exchange.