在执行标的物拍定之后,什么因素可能导致已经完成的拍卖程序无效,是通过诉讼程序还是通过执行程序确认拍卖无效,拍卖无效可能产生什么样的法律后果,这是目前执行理论研究关注较少而实践中又困惑颇多的问题。笔者尝试以强制拍卖的公法性为前提,结合司法司法实践,对强制拍卖无效的有关问题发表管窥之 What is the possible legal consequence of invalidating the auction or invalidating the auction through the procedure or the execution of the procedure after the execution of the subject matter, which may lead to the invalidation of the completed auction? This is the focus of the current executive theory research In practice, but also a lot of problems. I try to force the public auction of the public as a precondition, combined with the judicial practice of justice, mandatory auction on the issue of invalid issues