The final work thematic approach to business of Library Slaovonski Brod in a way to cover all the structural departments and processing them in a specific way. The aim is to show the theoretical approach to business of the Library Slaovnski Brod and with the help of financial statements shown in numbers. For a better understanding it is needed to start from the chapter that refers to the history and formation of the City Library as well as its activity in time before and after the war. Chapter continue to critical business processes where a detailed description of those most important processes that contribute to the success of the business of the City Library. Thanks to professional practice the datas are usually obtained verbally by the employees themselves, but part of it is taken from the official site on the web. Methods used are the methods of data collection and the methods of comparison, in three years in the departments of accounting and statistics.