Abstract The public security is the key factor for a prosperous country; therefore, maintaining a safe social order has always been the most desirous expectation for the public. ¡§Community Policing¡¨ is the strategy to govern public social order, and how to apply its usage is the main stream on crime prevention and police beat is its main core. This study, by reviewing the basic theory of community policing, researching the operational practice domestically and abroad, rechecking the real state of community policing in Penghu, analyzing the recollected data, can be further shaped on its diversified location to develop a satisfactory living space and peaceful land for the Penghu people. By studying this subject, here my suggestions are as follows: ¢¹ Suggestions on community policing of Penghu. 1.Penghu people are quite satisfied with the public security but are still afraid of being stolen. We have to pay more attention on guiding how to prevent the civilian from being a burglar victim and lay emphasis on operational practices. 2.Penghu people are not willing to attend any meeting related to public affairs; the police has to stimulate and inspire the community consciousness of being a civilian by attending any activities or practicing census checks. 3.Implementing sole-duty-beat system can diminish most of the burden of policy duty, which can exclusively make the police more concentrative on doing the census check, providing service, and guiding crime prevention. 4.The success of community policing depends on ¡§close interaction between the civilian and the police; the police must offer high quality service to gain the trust of the civilian. Only by doing this can a close relationship be shaped and be dedicated on crime prevention. 5.The spirit of community policing is beat officer itself; therefore, in order to encourage the officer to persistently manage its beat with diligence and innovativeness, a system based on preventive guiding and service providing to assess the performance of the beat officers is highly requested. 6.While enforcing the community policing, the crucial point to success is decided by how to pass the decision-making to the beat officer, which can make them more flexible and responsive to the need of the community. 7.In hoping of the community policy strategy can keep flourishing, the government authority has to make budget for it and those responsible have to step into the community for a setting up a sound community policing. And the police authority has to make its goal and strategy clear and have a comprehensive communication with the beat officer to build a common consensus. Then , under the process of empowerment, the beat officer can become a member of the community. 8.Twenty-first century is the era of community policing, the police has to cooperate with the medium strategically to publicize the community consciousness, which, in the long run, can be beneficial to build a high quality living environment. . ¢ºSuggestions for follow-up research: 1.Research domain: increase to lay emphasis on community specialty, which can make the managerial strategy more specific and effective. 2.Research object: increase the number of community civilian specimen, which can promote its representation. 3.Research method: increase the observation method as auxiliary, which can be expected to be more adjustable to its location and occasion. 4.Empirical study evaluation : apply ¡§ equalized performance marking card¡¨ to assess the interior and exterior performance of the beat officer, which can be expected to excavate the underneath problems. Key words: community policing, police beat, window-breaking theory, crime prevention.