In 21st century, modern cities shine on the stage of the world. The competitions among global cities shift from “quantity” aspect to “quality” aspect—to become the most creative cities that emphasize the local culture’s characteristic, and the union of the civil strength to stand out conspicuously by the connection with the international trail. Therefore, cultural creativity and creativity economy of the city become the new concept that recreates its financial capability and promotes its competence. As a result, becoming a “creative city” is an effective way to market the city. The Flagship Project presented by Taipei County Government is the foresight and core idea of the whole “creative city” project, expecting to promote and develop Tamsui into a creative city. Since becoming a creative city is the foresight and the core idea of the Flagship Project, the absolute definition of “creative city” should be defined first instead of following the principles of western city developments blindly. The concepts of creative city must be built up to promote effectively afterwards. Although the Flagship Project by Taipei County Government regard becoming a creative city as its foresight and core idea, however, under the prerequisite of developing through this goal, what will Tamsui change in the future? Hence, Tamsui has diversification in the future when developing. For this reason, the goal of this research is to interpret of creative city by Tamsui, and analyze the future possibilities how Tamsui develops to a creativity city and make it as an example for the future. First, through the interpretations of creative city concept by the interviewees, the researcher builds up a set of meanings to comprehend the suitable definition of creative city for Tamsui. Next, by Tamsui’s historical background and the development which turns to quality from the quantity plans, generalizing the advantages of Tamsui to develop into a creative city. Then, generalize the core value that how Tamsui develops into a creative city from related data and the interview content. Finally, integrate and analyze the viewpoints and the opinions about creative city of Tamsui from the interviewees, depicting future images concerning the future development of the creative city of Tamsui.