我国法律规定,合同在履行过程中,一方当事人不履行合同或不按要求履行合同时,另一方当事人享有对抗对方当事人的抗辩权、代位权以及撤销权,当事人通过行使这些权利可以使自己的利益不受损害或将损害降到最低点,本文就这些权利作简单的叙述,并对企业如何保护自己的这些权利提出一些建议。 In our country’s law, when one party fails to perform the contract or does not fulfill the contract as required, the other party has the right to defend, the right of subrogation and the right of cancellation against the other party. By exercising these rights, the parties can make their own interests not Damaged or minimized harm, this article gives a brief account of these rights and makes some suggestions as to how an enterprise can protect its own rights.