This study explored the determinants influencing participation-intention to 2018 PyeongChang Winter Olympics, as well as the differences in the relationships between residents and native tourism users on such study factors as economic, environmental, socialㆍcultural impacts on tourism industries, perceived importance of tourism service quality, and participation-intention to the Olympic. For the purposes, data were collected by residents and tourists in three cities of Gangwon province, where the Olympics will be held. The data were analyzed by utilizing reliability test, exploratory factor analysis, confirmatory factor analysis, and multiple regression analysis. Results revealed significant differences between residents and native tourism users on the principal factors such as impacts on tourism industries and perceived importance of tourism service quality that influence participation-intention to the Olympics. The study also found the remarkable results as follows. The higher degree of economic and socialㆍ cultural influences of tourism business is, the more positive participation-intention to t e Olympic the groups have. Such factors as main tourism facilities, the quality service of n employee, and tourism condition around the host cities are significantly important to make a decision to participate on the Olympic to the groups. So as to improve the potential demands f the Olympic, the findings suggest that governments and experts related with the Olympic shou ldinput more investments and efforts to build substantial marketing strategies based on touri m users`` needs and wants for the Olympic, and also expel attractive tourism programs and syste s in particle.