Shopping in the commercial district becomes a part of citizens’ entertainment and study consumer’s behavior can be an important reference in marketing research. This article describes a study which analyze and compare the consumer behavior, attitude and preference between Kaohsiung Sanduo and Shinkuchan commercial districts. The purpose of this study is to compare differences and similarities between these two commercial districts. The theoretical framework is based on a consumer behavioral model which was proposed by Engel, Blackwell and Miniard. Consumer behavioral model is the process of buying decision which includes six steps: need recognition, search for information, pre-purchase alternative evaluation, purchase and the post-consumption evaluation. These steps start from thoughts to the emotion of consumption when consumers buy products. This paper adopt self-developed questionnaire as the method which 138 pieces are distributed and about 100 are collected by each commercial districts. The hypothesis is to prove that the student consumers in Shinkucan are more than Sanduo and Sanduo have much more office worker than Shinkucan. The data shows that student consumers are 76% in the Shinchuchan, but 30% in Sanduo. On the other hand, Sanduo have about 70% office worker consumers and about 24% in Shinkuchan. This shows the differences of main consumer group. The result of this research supports the hypothesis. Such a research contributes in the field of marketing and it offer the reference to organizers or government to promote the strategy. In the future, researches about how to improve the selling strategy which based on the consumer behavior in Shinkuchan/Sanduo commercial district can be the future orientation.