Healthy City construction requires the coordinated development of urban construction and human health，people-oriented，health first，and promoting the fairness and accessibility of health services. In recent years，China’s health service industry has achieved rapid digital development in the application fields of four-level population health information platform，hospital information platform，Internet hospital，medical e-commerce，smart family，digital health commercial insurance，etc.，especially relying on emerging technologies such as big data to create new application scenarios and become a new engine under the big health industry. Promoting the high-quality and digital transformation of the health service industry is conducive to improving the inclusive and convenient level of medical services and meeting the people’s demand for diversified and efficient health services；It is conducive to changing the mode of economic development，innovating the service mode，expanding domestic demand and increasing employment；It is conducive to the birth of new technologies，shaping new business forms，cultivating new ecology and creating new value；It is also conducive to improving the ability of grass-roots medical services and comprehensively promoting the construction of a healthy China.