Penghu island is not only a unique and various ecological environment in the subsidiary , but also in it¡¦s culture.But these peculiar culture gradually disappearance because of urbanizing, and tourist prevailing. It was once the first street of Penghu, and had the important value and can¡¦t be replaced on the history and culture of Penghu, through development plan and then, the residential district's meaning to resident still exists. Can it¡¦s still called the first street of Penghu¡H Does the residents identification changed ? This research reviews and analyses the background which depends on the sense and collects the central street and is correlated with upgrading the transformation plan through documents, sketch the contours of resident's impression map of the central block to complement in questionnaire investigation way at the same time by way of interview, study the duty of high school of Penghu to grow to the sense of depending on of the central block, finds 1. It does not have too outstanding behavior to the sense of depending on of the central block. 2.High school students are not frequently aontacting contacting central street and many are affected by other people's experience or their own interests. 3.It¡¦s the block with historical significance. 4.Have special view and have history. 5.The attachement of centro block is not obvious different on psychology and behavior ,and their depend behavior is not obvious. 6. The identification sense of Psychological to the central block is more obvious. 7. It does not have obvious difference to the degree of attachement on the central block of the high school students of different backgrounds .8.The activity experience that the high school grows will influence the degree of attachement to the centrao block. 9.The image of centro block and the attitude of historyical rebuild will influence their attachement to centro block. These results can be offered to planner and administrator, conform with the environment which uses the demand in order to set up more comfortable environment while making the public affairs policy.