Objectives : This study is designed to evaluate the psychological characteristics of Sasang Constitution(Origin and Nature & Emotion Group) by MBTI. Methods : 200 people were tested by QSCCII(Origin and Nature & Emotion Group) and MBTI. It is analyzed by ANOVA, Frequency, Crosstabulation, Duncan & Scheffe Post Hoc Tests. Results : 1. The number of Soyangin was 73, Soeumin was 49, Taeumin was 50, Not classified was 28 in Origin group and Soyangin was 114, Soeumin was 28, Taeumin was. 26 in Nature & Emotion group. When we evaluate QSCCII with 38 Nature & Emotion questionaires, the number of Soyangin are incresed compare to Origin Group. 2. The most three MBTI Types are Soyangin ISTJ, ISTP, ESTJ, Soeumin IJST, ISTP, INTJ, Taeumin ISTJ, ESTP, ESTJ, in Origin Group and Soyangin ISTJ, ESTJ, ISTP, Soeumin ISTJ, ISTP, INTJ, Taeumin ISTJ, ESTP, ISFP in Nature & Emotion Group. There is no significant difference between Origin and Nature & Emotion Group in ststistics. 3. Soeumin & Taeumin tended to be introverted, judging types in Origin and Nature & Emotion Group. Soeumin tended to be intuition type in Nature & Emotion Group. Conclusion : We have not significant differences on peculiarity of sasang constitution compared to MBTI between Origin and Nature & Emotion Group in ststistics.