The term business crisis, sources and causes of the business crisis is defined in the paper. Business environment crisis planning, role of managers, effective leadership and crisis action, and the role and behavior of employees in the crisis are explained. An identification of a business crisis has been analyzed in which it is written about the symptoms of the crisis, the horrible crisis, the crisis of success and liquidity crisis, as well as the business analysis as a process of identifying the crisis. Also described are the crisis management process, the crisis management process phase, two types of crisis management, namely crisis management in the immediate and crisis management in the broader sense.However, communication is also very important in the private as well as in the business life. The concept of communication, as well as communication during and after the crisis, is also mentioned. At the very end of the work, a business crisis was described by the Agrokor company example, which included important data, but also the importance of employees in a business crisis. The business crisis is considerd to be very important for the success of a positive venture, but also for the success and development of the company itself.