ObjectiveTo explore the prevalence of anxiety and its related social factors in undergraduate student,in order to provide scientific evidence for the prevention of anxiety in undergraduate.MethodsThe cluster random sampling was adopted for this study,and 965 college students from Zhengzhou University were investigated by Personal Report of Communication Apprehension,Simplified Coping Style Questionnaire,Toronto Alexithymia Scale,Perceived Social Support Scale and Self-Rating Anxiety Scale.Results①The anxiety detection rate of respondents was 19.3％.There were significant differences in the detection rate and severity of anxiety between genders(Male:27.0％,Female:10.2％ ) and grades( Freshman:16.4％,Junior:23.8％ ) in the college students (P ＜ 0.05).There were not significant difference in different family residence students anxiety detection rate and level(P ＞ 0.05 ).②The scores of communication apprehension ( ( 69.31 ± 12.32),( 65.25 ± 12.56) ),positive coping style( (20.84 ±5.10),(23.99 ±5.18) ),negative coping style( ( 11.03 ±4.15),(09.18 ±3.96) ),Toronto alexithymia( (74.97 ± 6.93 ),(70.31 ± 7.98 ) ) and perceived social support ( (53.14 ± 5.78 ),(57.02 ± 5.79) ) of the anxiety group were significantly different with those of the normal group (P ＜ 0.05).③The significant relationship was found among anxiety emotions and gender,positive coping style,negative coping style,Toronto alexithymia and perceived social support by using Logistic regression analysis (P＜ 0.05 ).ConclusionsThe prevalence of anxiety in undergraduate students is relatively high and it is related with multiple factors.In addition,social support,alexithymia and coping style have a close correlation with anxiety in undergraduates.