Abstract: In C2C ecommerce, due to reasons that identity authentication to buyers is relatively loose, there often appear various dishonest acts of buyers that seriously affect the normal trading of sellers.The questionnaire survey for the buyers credit status in the transactions is carried out based on the merchants who sell in taobao, ebay or paipai as the research samples. It is found that the buyers have some dishonest acts such as malicious evaluation, abuse of return right, false trading, delay in payment for goods, malicious bidding, bidding without buying etc. The dishonest acts will cause the adverse effects for sellers.The reasons of the buyer credit problems are analyzed.

Key words: C2C, e commerce, buyer, credit

摘要： 在C2C电子商务中，对买家的身份认证相对松散等，导致常常出现买家的各种失信行为，严重影响着卖家的正常交易。本文以淘宝、易趣、拍拍网上的商家为研究样本，问卷调查交易中买家的信用现状。通过实证分析发现，在C2C电子商务中，买家存在恶意评价、滥用退货权利、虚假交易、拖延货款、恶意竞拍、只拍不买等失信行为，这些失信行为对卖家会造成不良影响。并分析了买家存在信用问题的原因。

关键词: C2C, 电子商务, 买家, 信用