Abstract: In order to provide a measuring tool for evaluation of large-scale sports event service, the present paper took the First National Youth Games as an example to designthe large-scale sports event service audience satisfaction scale by methods of survey,questionnaire, mathematical statistics. Based on analysis of relevant literature and semi-open interviews of experts, the authors designed an "initial scale" with 53 items. After removingthe items that do not meet the conditions through item analysis, exploratory factor analysis, and confirmatory factoranalysis, the authors eventually developed a scale with 29 items of 6 dimensions which include large-scale sports event ticket acceptance service satisfaction, large-scale sports event personnel service satisfaction, large-scale sports event venues and facilities service satisfaction, large-scale venue environment service satisfaction, large-scale sports event service competition levelsatisfaction and large-scale sports event supporting service satisfaction. The reliability and validity test showed that the scale has good internal consistency reliability and structure validity, and could be used as a measuring tool forlarge-scale sports event service audience satisfaction.