Abstract: The authors analyze the interrelationship between major factors of anxiety in social activity from the angle of personal experience and the changing process of psychology, on the basis of the deep interview with nine students ranging from junior high school, senior high school to college. Such factors as the sense of shame, the negative impact from parents, low level of self-esteem, the interpersonal relation, diffidence and nervousness have great impact on their anxiety in social activity. This paper investigates the individual cases and gives evidences for the research on the causes, development and maintenance of anxiety in social activity.