The impact of the COVID-19 on the whole society exposed the inadequacy of the modernization of the urban public health system and governance capacity, which has brought new challenges to the development of health care in China.Promoting digital medicine and building a modern urban medical system is an important starting point for implementing the healthy China strategy and promoting the development of China's modern medical cause, an important embodiment of the country's comprehensive strength, an important symbol of economic and social development and progress, an important way to improve the people's healthy life quality, it is of great significance to realize resource integration, optimize medical treatment process, reduce operating costs, improve service quality, improve work efficiency and management level. Starting from the analysis of the current situation of informationization construction in second and third level medical institutions in a certain municipality directly under the central government in China, this article focuses on how to adapt to the needs of the times, build intelligent digital hospitals, seek scientific solutions, plan future development positioning, provide a basis for policy and normative formulation in the field of digital healthcare, and better serve health administrative departments and public hospital managers, providing new ideas for medical reform for government decision-making departments.