An increase in people eating out makes a rapid development of the restaurants business, bringing consumers to select the restaurant with a variety of choices. This study put efforts on the relationship between service quality, brand image and customer loyalty. Through the quantitative questionnaire research method, this study collected 383 valid samples, 17 invalid samples were eliminated from 400 valid samples, by paper questionnaires. The distribution area was focused in grand Taipei and processed by SPSS 18.0 and LISREL8.51 statistic software. This study shows that both service quality and brand image have a positive impact on customer loyalty.