The objective of this paper is to explore the urban public image of Tainan city. expecting to find out the important urban image factors that the residents of Tainan city perceive. The questionnaire design of this paper is based on the urban image survey of the relevant experts. The research content including investigating the importance ranking of the urban image factors, electing the image elements, and realizing the quality of urban image elements that residents perceive. Excepting these urban image facotrs can be the referred direction of proceeding urban design project for Tainan government.