Abstract: Many undergraduates have anxiety, are lack of safty, havefew sense of happy and self abruption with the present society turnning into risk society.The reason is that undergraduates have ‘crisis of trust’ in social intercourse.To get over the ‘crisis of trust’, it is needes not only to enhance the construction of social laws, social institution and culture, but also to strengthen the administrative system of university, guiding the mind of students, leading them to know risk society well, opening themselves and perfecting their personality.