For more than twenty years, the issue of setting up gamming industry in Penghu has continually deepened, and is turning into an official agenda. Thus, the government must take serious and careful action after through the scrutinized evaluation, rather merely a public concern. This research is based on the consultation framework of integrated public affairs administration to analyze Penghu¡¦s historical process of striving for the tourism gamming industry and to discuss the reasons of postponement from social, economic, political and governmental views. The dilemma of local development in Penghu results from the lack of public discussion and the failure of public policymakings. This study therefore aims, by using IM of NGT methods, to effectively communicate with the public participators, and to initiate the focus of the interactive conference to perceive ¡§how to decrease the doubt of the counterforce about setting up casinos¡¨. In the interactive conference, participators reached the consensuses that the foundation lies in (1) holding trips to learn from existing casino; the planning phase should (2) actively strive for chief officials¡¦ support and (3) enhance positively to public security and (4) ensure financial distributed proportions; further implementation should (5) avoid interventions by politicians, (6) ensure the proportions of locals employment, and (7) to emphasize the necessity of developing casinos in Penghu and (8) to invite people from every status to expand related activities; and, the last requests are to (9) hold public hearing and statement to decrease people¡¦s suspicion and (10) set up the White Paper of Casinos for Penghu for future guidance. Two tests of questionnaires before and after the NGT were set for each observer in the conference to examine the participant satisfaction, NGT interactive conference effectiveness, results of interactive learning, and affirmation of defining and differentiating problems in order to solve a complex and mal-organized issue.