Analysis of the influence of corporate social responsibility on the financial performance of PT Timah, Tbk period 2017 to 2019 was chosen as the main topic of this research. This research is a research using quantitative descriptive method, in which the research data is presented in the form of numbers and analyzed using statistical tools. The data used in this study was obtained from the annual report PT. Timah, Tbk period 2017 to 2019. The data analysis technique which used in this study is simple linear regression. The results of this study indicate that corporate social responsibility has no significant effect on the financial performance of companies in this study using proxy Return on Investment (ROI).