The Department of Health executed the contract with Tri-Service General Hospital on January 2, 2003, consigning the latter to render Penghu medical treatment services with the newly built ¡§Penghu Medical Care Building of Department of Health¡¨. Under the consignment, the Tri-Service General Hospital will launch an overall integration of the medical care resources of the current Penghu Hospital of Armed Forces and Penghu Hospital of Department of Health. Starting from July 1, 2006, Tri-Service General Hospital, Penghu Branch has officially come into being, bringing in human resources of the Tri-Service General Hospital, creating the medical treatment facitities in Penghu area easily accessible to upgrade the professional medical treatment services in Pengh area, enabling the local community people of Penghu area to enjoy diverse local welfare in medical services. In Penghu County, with limited medical care resources, other than the efforts to help patients release from suffering and reduce the rate of patients being arranged for medical treatment beyond Penghu area, the efforts to upgrade the quality of medical treatment services have gradually become the major goals in the consigned management. The present study aims at the concept mode of ¡§Service Quality Model, PZB¡¨ offered by Parasuraman, Zeithaml&Berry(1988) as the very ground, taking the two local service oriented public hospitals, i.e., ¡§Penghu Branch of Tri-Service General Hospital¡¨ and ¡§Penghu Hospital of Department of Health¡¨ as the target of survey, to probe into the levels of satisfaction on hospital quality of services felt by the hospital department heads, medical care service crew, patients and patients¡¦ families. The study further analizes to make sure whether the hospital department heads, medical care service crew, patients and patients¡¦ families show difference in the level of satisfaction. As indicated by the findings yielded by the present study, the two public hospitals show shortfalls in quality of services which call for immediate improvement. Penghu Hospital of Department of Health takes advantage of the geographical benefits, easy access to transportation, the close connection with the local patients and public praise and should team closely up with Penghu Branch of Tri-Service General Hospital. Penghu Branch of Tri-Service General Hospital attempts to localize the three messions in medical teratment, education and research. The doctors of the two hospitals should participate in various seminars to co-share the resources, strengthen the professional know-how to upgrade the quality of medical treatment services. The management administrator should make the department heads and medical service crew feel of how important the quality of services is. The present study may help better satisfy the needs of patients and their familities in the perspective of a consumer. The upgrade of quality of medical treatment services is a pivotal part of the public affairs on offshore island areas. The administrator should offer prominent systematic strategies in systematic services to take firm command of the quality of services and technological advantages. Only through such efforts can those hospitals create sound image and public praise in medical treatment in Penghu area to assure sustained survival and existence. On the grounds of the results yielded by the present study, the thesis, finally offers proposals for betterment to Penghu Branch of Tri-Service General Hospital and Penghu Hospital of Department of Health in terms of quality of services. Such proposals will function as handy reference to the government authorities and the subsequent researchers regarding medical treatment in Penghu area.