Based on S-O-R theory and perceived value theory,according to the questionnaire data of social commerce websites,this paper introduced perceived value as an intermediate variable to empirically examine the impact of customer-to-customer interaction on customer brand engagement in social commerce.The results show that customer-to-customer interaction is significantly related to customer brand engagement,in which functional value,emotional value and social value play an intermediary role.Trusted atmosphere strengthens the positive influence of customer-to-customer interaction on customer brand e...