Electronic customer-to-customer interaction (eCCI) is a widespread phenomenon in e-commerce platforms and becomes crucial in the service offering embedded in web 2.0 and social media technique, but the research is very limited.This study explores the features of customer perceived quality in eCCI in Tourism E-commerce Platform .Furthermore, it distinguishes the quality of interaction between customers on different demographic variables.The results enable the E-commerce enterprises to learn from understanding,influencing,controlling and managing eCCI and provide the further directions on this field.