1. Objectives: This study has focused on response rates for ethnic groups of American by Short Form Sasang Classification Questionnaire for American (SF SSCQ-A). 2. Methods: By analysing the tendency of the respondents who have been defined ethnic groups and comparing of their answers, the result of their ethnic groups analysis by our questionnaire were examined. Each item response rate on SF_SSCQ-A was analysed between Caucasian and Non-Caucasian respectively. 3. Results and Conclusions: There were the significantly different 11 items between Caucasian and Non-Caucasian. And there were the poor response 26 items; the excessively affirmative 1 item, the excessively negative 18 items, no response 7 items.