This project is based on The Impact Of Advertising On The Success of Broadcast Media; A case study of OSBC, osogbo. Survey method was used to gather the necessary data for this research study. One hundred (100) questionnaires were distributed out to the respondents and eighty (80) completed copies were returned. The returned copies were administered on the respondents .Also, presentation and analysis of table is done. Finding in this study shows that, advertising is a major source of revenue to broadcast media and the broadcast media organization cannot survive without advertising .Advertising has a great significance in broadcast media.