继承是基于身份关系产生的法定财产权益,放弃继承是法律赋予继承人的一项权利。依情理,继承人放弃根据继承法享有的财产权益,是对自身既得利益的合法处分,他人无权干涉;而如果该放弃继承人是一个债权债务关系中的债务人,其放弃继承危及债权人债权的有效实现,那么债权人可否对债务人放弃继承的行为行使撤销权呢? Inheritance is based on the statutory property rights arising from the relationship of identity, to give up succession is inherited by the law a right. According to the theory, the heir renounced the property rights and interests enjoyed under the succession law is the lawful disposal of his own vested interests and the other person has no right to interfere; and if the heir to abandon heir is a debtor in a debt-claims relationship, the renunciation of succession endangers the effective realization of the creditor’s rights , Then the creditors can give up the succession of the debtor to exercise the right to cancel it?