1. Objectives This study was to investigate relationship between the diagnosis of Sasang Constitutional Medicine(SCM) and the diffrentiation of syndromes according to the state of Qi, Blood, Body Fluid, Phlegm retention and the five viscera. 2. Methods In-patients and students were investigated through questionnaire of the diffrentiation of syndromes and QSCC2. The results were analyzed statiscally by t-test, one-way ANOVA on SPSS 10 3. Results and Conclusions (1) Soeumin has a high grade on Qi-insufficiency than other consititutions. (2) Soyangin has a high grade on blood insufficiency. And Soyangin who have a disease get a high grade on kidney and get a low grade on spleen.