The urban plan and the procedure on construction aspect brought out or produced from the reservation process of Chung Cheng Road old street of Hsin Hua town, Tainan county is the evolution process of old street reservation essay field. This study is to look at the Chung Cheng Road old street reservation essay formation procedure from the social observation angle(the reservation essay field structure of the two stages before and after reservation decision was made) is that after the reservation and road broaden issue were brought out, the internal social interaction procedure of the physical structure on the process of the reservation essay formation. The objective of this study is to present the interaction relationships formed from political and social actions between all kinds of actions as well as the different positions, powers and interests among the relationships and procedures that influenced the reservation decision formation. Further, to analyze the impact of the social and political changes of the old street to the reservation essay formation process.
