The dilemma of face (Mianzi) has long been recognized as one of the major dynamics in Chinese society. As an important cultural factor, it to a large extent determines the way people behave, and casts pervasive impact on social interaction. This article summarizes the connotation, construct and measurement of face, and analyzes the underlying function mechanism of face from the perspective of social psychology. Furthermore, this article also discusses the managerial implications based on the social function of face, and finally pilots on the trends of research on face in the future.