The purpose of this study is to make up an effective market strategy for distinguishing clothing shops through analysing the influences on store choice behaviors by demographical characteristics, clothing shopping orientations and information search activities as well as analysing the effects of information search activities according to clothing shopping orientations, together with clarifying the dimension of clothing shopping orientations and information search activities. Clothing shopping orientations were factor analyzed resulting five factors, such as Recreational Shopping, Store/Brand Loyalty, Economic Shopping, Fashion Synchronization, Careful shopping. Information search behavior were factor analyzed resulting five factors, such as mass media information, commercial media information, personal information, store information, past experience information. According to a result of looking into the influences of clothing shopping orientations on information search behaviors, as shopping orientation for pleasure, fashion synchronization orientation, brand store royal orientation & economical orientation go high, the search degree of store information & mass media information, commercial media information & personal information, past experience information and personal information raise up respectively more and more. The results of regression analysis at factors affecting the store choice behaviors are significantly different.