This study shows about literature review about service and the practical situation of Viet_Chen Company Limited. Then, analysing the dimensions affecting the customer satisfaction. Based on theory and analysis, the existing models were chosen as the platform, combined with our my research to offer a theoretical model with specific assumptions for research. This study will research using two steps of preliminary research and official research. The data were collected from 223 respondents. Collected data were processed in the statistical software SPSS to test the reliability and validity of the scales. These results show that there were 4 main factors that influence customer satisfaction at restaurant: Service Style, Price, Convenience and Service Quality.

Keywords : Service Style, Price, Convenience and Service Quality.