The article describes the use of flexible project management approaches during the formation of virtual enterprises. The article is devoted to the consideration of modern approaches to the definition of the concept of "virtual enterprise with a flexible production system." The study used several methods: generalization, systematization, formalization, logical, formal methods, as well as comparative analysis methods to study modern approaches of the definition of the studied concept. The tasks considered in the article are theoretical. The economic content of the concept of “virtual enterprise and flexible production system” is disclosed. The article presents the current economic content of the concept of “Flexible production system” based on a review of modern approaches to the definition of this concept, and also highlights key indicators for the implementation of a flexible production system. The basic concepts, ideas, methods of creating virtual enterprises are formulated. A new technology for the implementation of management tasks based on system design, control theory, business process and intelligent modeling were proposed [2,3].