The concept of crisis was only introduced into our legal system with Legislative Decree 14/2019, as amended, and has already undergone several changes. The proper definition of what is a crisis is essential in order to detect the first signs of economic, financial and capital imbalance and avoid insolvency. To this end, adequate organizational, administrative and accounting structures play a fundamental role. In this paper, the Author will first analyze the concept of crisis by tracing its historical evolution. Secondly, he will analyze the adequate structures. Finally, the Author will critically reflect on some relevant aspects of the concept of crisis and the appropriate structures.