The purpose of this study was to examine the effect of SNS use at taekwondo gyms on training satisfaction and intention to continue training. For this purpose, the study conducted research among trainees at taekwondo gyms situated at Gyeonggi-do as of June 2018. In the first place, it checked whether or not the trainees were using SNS at current taekwondo gyms and then collected samples using convenience sampling method from taekwondo gyms interacting with the trainees via SNS. In regard to answers to questionnaire, the study firstly explained in detail its purpose and intention to those questioned, and used self-administered method in which they were supposed to read the content of the questionnaire and answer themselves. The survey was done by distributing 300 sheets in total and used 264 as effective samples for final analysis, excluding 36 considered to be insincere in their answer or lacking reliability. Collected samples underwent frequency analysis, reliability analysis and correlation analysis using SPSS 21.0 in accordance with the purpose of the study. For final analysis, it conducted confirmatory factor analysis using AMOS 18.0 as well as structural equation modelling to verify the research hypothesis. As a result, the study had following findings. Firstly, responsiveness and personalization of SNS use had a positive effect on internal satisfaction and external satisfaction. Secondly, internal satisfaction had a positive effect on intention to continue training. Thirdly, responsiveness and controllability of SNS use had a positive effect on intention to continue training.