The causes of schizophrenia are multifactorial and stress-diathesis model is one of the supporitive causes. This study is aimed for Sasang Constitutional tendency of schizophrenic patients. 20 Subjects are recruited from Gunsan Mental Health Center. They agreed with this study in advance and visited Daeya Public Health Center to interview with Sasang Constitutional Specialist. Their Sasang Constitution types are determined by QSCC II and interview with specialist. Taeumin and Soyangin are prevelant among the 20 cases of schizophrenic subjects visiting Public Health Center; 10 subjects are Taeumin, 9 subjects are Soyangin and 1 subject is Soeumin.