Abstract:With the development of the information age, the public health problems caused by information overload have been increased in the post-epidemic era. This phenomenon is especially obvious in the high-density historical urban areas. This research first analyzes the information overload in high-density cities. At the same time, the research hypothesis,is it possible to alleviate the public health problems arising from the phenomenon of information overload in high-density cities by creating historic urban landscapes with health functions that convey information about an orderly and healthy historic environment, and by providing regulation and cultural services within the framework of landscape services that respond to the problem of information overload in high-density cities. Taking the renewal design of Xihu Road Square as a practical research case, this research cites the concept and dimension of "positive health", associates information transmission with public health, discusses embodiment and application of the three design methods of “Landscape Design with health cultivation”, “ArtisticConception-Based Jing-Structure”,and “Create Environment to provide Mindfulness Therapy Activities” that corresponding to heaven, earth and people in the gardening health care functions of the current landscape design.