Objective To explore the effect of self-confidence training on social anxiety and self-esteem of patients with social anxiety disorder.Methods 80 patients with social anxiety disorder were randomly divided into the study group and the control group.The study group was given the Self-confidence Training twice a week for five weeks and the control group was not given any training.Social Anxiety Subscale of the Self-Consciousness Scale and Self-Esteem Scale were used to evaluate the effect before the intervention and after the intervention for three months,six months.Results The social anxiety and self-esteem had significant differences between the two groups (F=20.422,P＜0.001 ; F=11.239,P=0.001),they had a tendency to change over time (F=120.080,P＜0.001 ; F=143.503,P＜0.001),and the role of the time factor was different between two groups (F=18.777,P ＜0.001 ; F =24.864,P＜0.001).Further pairwise comparisons revealed that the study group showed significantly decrease in social anxiety ((10.00 ± 3.05) vs (13.42 ± 2.76),(9.53 ± 3.72) vs (13.21± 2.48)) and improvement in score of self-esteem((28.75 ± 4.19) vs (24.27 ± 3.84),(29.50 ± 4.85) vs (24.15 ±3.55)) than control group on post-test and delayed-test (P＜0.001).Conclusion Self-confidence training can reduce social anxiety and improve self-esteem for patients with social anxiety disorder.