As the family's revenue and the preference for the quality of life increase, outdoor food and meal industry is rapidly growing up in Korea. Thus employee's service quality is much more necessary in this industry This paper reviews the relationship between the leadership and the service quality. Samples collected from restaurant employee were 571 cases and were analyzed to test the relationship between the leadership factors and the service quality factors. Statistical results showed that the leadership influences to the tangibility and the empathy among service quality factors more than to other factors. And the transformational leadership style is more effective than transactional leadership style.