With the development of artificial intelligence，Internet，big data and other technologies，the world is embracing the digital era with a new attitude. Digital technology enables the health industry to radiate new vitality，and the health industry and digital technology will be deeply integrated，which will greatly promote the deep reform of the health industry and inject new vitality into the development of new technologies，new industries，new models and new business forms in the health field. There is no doubt that the Guangdong-Hong Kong-Macao Greater Bay Area，as the economic development plateau in China，has a huge space for development. Actively promoting the digital transformation of the health industry will be a key measure to promote the construction of “healthy Bay Area” and contribute to the strategic construction of “healthy China”. This report focuses on the application of digital technology in the health industry in the Guangdong-Hong Kong-Macao Greater Bay Area. It summarizes the achievements of the Greater Bay Area in the fields of medical e-commerce，smart medicine and health technology，construction of medical cooperation platform and digitalization of health management，and analyzes the problems and difficulties facing the digitalization of the health industry in the Greater Bay Area. Such as institutional barriers，talent gap，poor data flow and imperfect cooperation mechanism，it is proposed to actively promote the convergence of laws and regulations and industry norms，innovate talent policies and accelerate the construction of a big health data platform，further promote the digital transformation of the health industry in the Bay Area and the health cooperation and exchange among urban agglomeration in the Bay Area.