Trends in the global economy require a revision of current approaches to resource conservation management, the use of new methods to improve the efficiency of socio-economic systems, and integrated organizational design. The purpose, objectives and principles of functional cost analysis are disclosed. Its place and importance in the production management system and for improving economic calculations are shown. Attention is paid to the development of methodological and guidance materials for the organization and conduct of functional and cost analysis. An attempt is made to show its broad capabilities as a tool for improving enterprise management. Recommendations of an applied nature were developed, which specialists could use in practical ...