Abstract: Based on traditional psychological contract dimension, this paper proposed a theory of Ethnic Psychological Contract of the Stuff. Taking into account Hui nationality culture in our country and social realistic characteristics, we try to build dimension of Ethnic Psychological Contract of the Stuff and its hierarchy character, analyze organizational and also cultural factors that affect Ethnic Psychological Contract, and discuss the formation mechanism of Ethnic Psychological Contract of the Hui nationality stuff and the impact Ethnic Psychological Contract has on organizational performance. The research also put forward the characteristics of extra-role behavior of Hui nationality staff which include beneficial behavior and harmful behavior and try to build an organizational intervention model by corporate management method and corporate culture.

Key words: Ethnic Psychological Contract, Hui nationality culture, organizational and also cultural factors, extra-role behavior