In this article, the theoretical and methodological foundations of managing the diversification of types of tourism are analyzed in a comprehensive way. The study scientifically substantiates the economic content of the concept of diversification, its role and strategic importance in the tourism system. The need to manage tourism based on the principles of systematic, strategic and sustainable development is emphasized. During the study, a conceptual model for managing the diversification of tourism types was proposed, which includes the stages of assessing resource potential, market segmentation, the formation of a tourism product portfolio, the improvement of institutional mechanisms and the implementation of a monitoring system. Scientific recommendations and recommendations have also been developed on ensuring economic stability of diversification, reducing seasonality, promoting territorial development and creating added value, making strategic decisions in the field of Tourism, Competitive and sustainable development of the industry