Objective: To find the Schizophrenia's common pattem of syndrome in Traditional Chinese Medicine (TCM) by using the cluster analysis and the component analysis, and to elect the cardinal symptoms and the minor symptoms roughly.Method: Gathering 664 Schizophrenic's symptoms via the form of epidemiological investigation of Schizophrenic's symptoms in TCM ,and to use the SPSS 19.0 software to analyze ,using the cluster analysis to analyze the symptoms which the frequency is greater than 10% in the 664 Schizophrenic ,and to find the Schizophren...