One of the most important part of Airline industry is Airport. Passenger needs Airport to move places to another place rapidly conveniently and safety. Tourism and Airline industry is all of from service. Earlier studies of airport service levels focused on operational standards defined by queuing time, service lead time, space, physical facilities, and so on. However, there is a move towards a more passenger-orientated mindset, which is a welcome change for today’s highly competitive air transport market. The overall airport experience perceived and recollected by international travelers may have a significant impact by either promoting or discouraging the further development of international tourism and business activities in the corresponding country. Stronger consumer awareness means that passengers pay more attention to the details of services. The purpose of this study is to explore the country image is influenced airport service satisfaction. This study applied a quantitative method that surveyed Foreigners who have been visited in Mongolia also to know about Mongolian International airport. Moreover this study also found that service quality of airport has a relationship with Mongolian country image, and improving International airport’s service. Study method collects questionnaires from 300 foreigners living in Taiwan and the data is analyzed by conjoint analysis method. Country Image and Product Image is dependent variable, Airport service satisfaction is dependent variable.