This study is to examine the effect of the national image and medical tourism service quality on medical tourism satisfaction through the survey occurred in November 2017 of 300 Chinese tourists who have experienced medical tourism in Korea. The 201 returned surveys out of 216 has been analyzed with the statistical data from SPSS and AMOS. This study analyses appropriate themes and research variables in relation to the promising medical tourism industry during the politically sensitive period between Korea and China after the THAAD deployment in Korea. Although there are a number of previous studies showing that the national image has a positive effect on the quality of the medical service, there are not sufficient examinations of the four medical service qualities effect on the national image as provided in this report. Through this study, it will provide a more strategic approach from the marketing point of view at the politically sensitive period by identifying how the service quality attributes the national image.