Dongshih Town and Budai Town are the only two harbor towns of Chiayi County. The tourism bureau established "Southwest Coast National Scenic Area" in 2003. Since then, the westerly coast areas of highway 17 of Dongshih Town and Budai Town have become the "National Scenic Area". The advertisement of "Tourism Map of Dongshih & Budai", published by tourism bureau in 2012, revealed the transformation of views on the scenery appreciation of Dongshih and Budai. This essay attempts to analyze the change of nature, industry, and conservation thought of Dongshih and Budai, and the tangled concepts within the controversies.