Through methods such as literature review and case analysis, this paper deeply analyzes the internal mechanism of digital heritage transmission from four dimensions: technology, market, culture and society. It elaborates on the challenges faced, such as "information isolation"，uncertainty in technology selection and application, low social participation and insufficient cultural identity.From the perspective of digital cultural strategy, the digitization of cultural heritage has become an important and urgent task. By implementing comprehensive measures, including breaking "information isolation"，improving the accuracy of digital technology selection and application, enhancing social participation, and strengthening cultural identity, the development of digital heritage transmission can be effectively promoted, realizing the panoramic presentation and universal sharing of Chinese culture.