The final work of the college of Business Information System is about information and information systems in the world and through business development is talking more and more about the business information system. Due to the large amount of informations we encounter every day in life, especially at work, we need a system that will regulate everything so that all could work. The biggest reason for the development and spreading informations is technology development. Thanks to that, today is much easier to communicate with people in the private and business environment, and because of this, job can be done in much easier and faster way. This creates a need to improve the business information system. In the first part is talking about generally of business information system, its features, functions, strategy, types and explains the purpose and need for business information system. The second part will deal with the structure of business information system as each company has in its structure and the main elements which are located in each structure of the system, while the third part deals with the development of the business information system, its mode of development and approaches to the development of business information system and the forth part deals with the life cycle. In the last part, that conclusion will be summarized as previously explained. This final work wants to explain more what is business information system, what it contains, how it developed, its life cycle, its structure and the essential components of structure. It wants to help people to understand in more details what exactly this business information system is, how it works, its main features and development, and life cycle of business information system.