Even though quality management gets to be a hot issue to satisfy customers in recent years. It is not yet proved soundly, however, that any difference on customer`s assement on service quality by perceptions and important factors should be explored. Therefore, this study aims to identify the effective factors of Restaurant`s service quality assesment, specially on customer`s standpoint. But this research findings did`nt regretfully show as many significant defference as the previous studies showed between hotel restaurants and customer in term of eating habits including Fast-Food. Finally, It is hoped that the findings of this study will be helpful to both present and tuture restaurant industries.