This is the second article of the series study named Formulation Method of Conservation Planning on Historic Town (Village) in Southwest of P.R.China. In the first article, from aspects of policy, main method, and primary research, the transition of Chinese historic heritage which focuses on Plain Protection after 1980 is reorganized. And model conservation planning cases are analyzed to explain the specific protection approach of three protection systems. In this article, taking Lizhuang Town in Yibin City for example, conservation development related to three protection systems is explored. Then method and contents in conservation planning formulation and situation of implementation process are analyzed.