Recently, passing through autonomous law of province-county and city, the role and status of the government has changed. The local autonomy already has developed slowly, and the policy-power of local government has the situation which extends. The supply to city service changes from supply to demand. This situation shows that city development will depend on the participation of inhabitants will. But how does city develop? Looking at the development of city in the world, we discover that every city is implementing an international plan -- "Healthy City Project". This plan already has implemented over ten years and it has got good achievement. So, the goal of this paper hopes that through the introduction of Healthy City Theory, to supply Taiwan city with a basic development theory.