Yenshui town has developed since three hundred years ago. Chung-Cheng Road has a key position in the developing process of Yenshui town. Preservations of street houses built in Showa period has been an important issue of conservation of local cultural assets. The purpose of the study is to look for possible solutions and policies of preserving spatial images on Chung Cheng Road through drawing analysis of present street houses and processing of visual analysis. “The postmodernization period” in the study is from the year 1935 to 1938, a period which Japanese Showa emperor ruled Taiwan. That was also the time when street houses on Chung Chen Road were constructed. Two elements of Showa period street houses, the facade and the arcade, constitute a unique feature of streets. According to the analysis of present street houses, it divides elements into seven groups: horizontal elements, vertical elements, opening elements, decorating elements, arcade pillars, apophyges, and arcade openings.
