Abstract: "Counter-urbanization" is a special state in the process of urbanization,reflecting a lot of phenomena behind it,such as low growth rate of urban population,deviation of central population,closeness of groups to nature and so on,and health is dispersed among them as a kind of variable.Based on the theory of health communication,this paper examines the dynamic model behind today's "counter-urbanization",indicating that health is emerging as a new dimension to measure cities.From the four aspects of registered population,employment opportunities,living environment and lifestyle,health communication and the change behind "counter-urbanization" could be seen.At the same time,it is emphasized that when this kind of change promotes the formation of ecological model of organism,there must be the trinity health connection of "city,society and population",and it will also become one of the strategic sources in building "healthy China" now.

Key words: "counter-urbanization", health communication, healthy China, dynamic model