Thesis abstract Base on certain principal documents, this study focus on " Personality-type Theories of Scholars in Pre-Qin Dynasty ". There are three purposes in this work: First, discovering the prosperous thoughts of scholars in pre-Qin; and the second, providing the models of perfect persons for the modern people; the last, examining the ancient Chinese personality theories to compare those theories originated in western psychological concepts. This thesis divides eight chapters. The introduction explains respectively the motivation, hypothesis and the methodology. Those aspects focus on the advantages of the viewpoint of "philosophical study on man" and "the philosophical study on talent" in present China. The second chapter defines the "personality" and analyzes the personality types divided in western psychology. Depending on the definitions, we discuss about four personalities including the western psychological tendency, and synthesize the affiliation by comparison between the psychologist's biography and the personality theory, therefore we attends to discover the ideal personality which these psychologists expected. The third chapter discusses the personality types which the thinkers classify in Pre-Qin dynasty offering as elaborates following several chapters. From fourth to sixth chapter, we adopt the synchronic and diachronic approaches to interpret the scholars¡¦ texts about personality- type theories. Those contents are divided into three criteria: moral culture, spiritual self-restraint and the social achievement. In surmounting the boundary of nations/scholars, seventh chapter compares the theories personality types and its cultural development which reflected between western world and China. Finally the conclusion summarizes each chapter, also links up the history to manifest the influence of the classification in later generations. Furthermore, we draw the perspective for this study.