本文结合现实中一个典型的执行异议纠纷案件,通过对民诉法第二百二十五条和第二百二十七条规定的两种异议制度在名称、适用范围及被法院驳回后异议人的救济途径等三方面进行对比剖析,从而厘清了对两种异议制度的认识,明析了在执行过程中留置权人应依据第二百二十七之规定提起案外人执行异议及案外人执行之诉才能最大程度保护自己的合法权益。 In this paper, a typical case of the implementation of dissidence disputes in reality, by the two hundred and twenty-fifth article of the Civil Procedure Law and the two opposition system under the name, scope of application and dismissed by the court opposition So as to clarify the understanding of the two types of opposition system and to clarify that in the process of implementation, the lienors should bring forward the execution of the opposition and execution of the case by outsiders according to the provisions of Article 227 The lawsuit to maximize the protection of their legitimate rights and interests.