In this article, three Guangdong’s ancestral temples are taken as case studies to explore strategies for cultural heritage conservation. Heritage conservation is very important not only for our missing of past, but in order that our own cultural identity can be formed today. In China, different stakeholders hold various views on heritage protection and conflicts often take place. Particularly, many folk religion’s cultural heritages face a dangerous scenario and could even be damaged or destroyed for a variety of “reason”. This article tries to re-examine fundamental values and assessment criteria for cultural heritage conservation. The authenticity is a core concept involved with those of issues. Based on the views of culture place, the author puts forward the concept of “emic culture authenticity” as a hinge to explore authentic culture ecology of heritage and its model, to facilitate the cultural heritage conservation and reuse by the strategies of classification and adaptation.