【Purpose/significance】 To thoroughly implement the spirit of the 20th National Congress of the Communist Party of China

and important directive spirit on the protection of intangible cultural heritage from General Secretary Xi Jinping. Taking the integration development of culture and tourism as an opportunity, and taking cultural identity as the goal, we aim to provide technical system and service scenario practice reference for the digitization of intangible cultural heritage in China.【Method/process】 Proposed a digital technology system for intangible cultural heritage with "collection, organization and storage, development and utilization, dissemina⁃tion and service" as the main link; with the help of multimodal content analysis, immersive user experience and other technical solu⁃tions, we focus on the technology application and service innovation in the two scenarios of cultural and tourism - intangible cultural heritage intelligent service and cultural and educational tourism - intangible cultural heritage integrated service.【Result/conclusion】The construction of intangible cultural heritage digital technology system has been realized, and the intelligent data construction and intelligent service scheme of intangible cultural heritage has been explored, which is helpful to promote the development of multiple fields, dynamic inheritance and innovative education.【Innovation/limitation】 Promoted the deep integration and specific application of intangible cultural heritage digital technology and cultural tourism construction; in the future, corresponding optimization can be car⁃ried out based on specific practical projects.