網路拍賣糾紛與侵權行為的頻傳，解決之道在於回歸雙方契約關係。然債權的相對性，使其效力僅及於契約兩造特定的權利主體，除依據買賣契約向賣方求償以外，消費者是否具備其他請求權基礎得以要求網路拍賣平台對此類糾紛負起民事責任，往往成為爭執點所在。本文藉由探討網路拍賣平台業者與網路拍賣使用者間之契約關係，並依據該契約關係而分析業者在契約下所需負擔的權利義務，據此，得以判斷當交易糾紛發生，網路拍賣業者是否有必要負擔責任，抑或於契約關係中不需負責，抑或僅基於企業社會責任而主動捍衛消費者權益。

With more and more disputes and torts happened by online auction contracts, we find that the Law in Taiwan can’t deal with it appropriately. The way that might be solved the disputes is back to the contract itself. We need to find a claim to support the creditor's right and ask the internet auction house to take the civil responsibility. This article discusses the contract between the user and internet auction house, involved in the validity of contract, the contract clause, their right and obligation, and try to figure out the rights and responsibilities the internet auction house have.