一、不安抗辩权的内涵 不安抗辩权又称先履行合同抗辩权，是指双务合同的当事人一方根据合同的约定应先履行义务，在后履行当事人一方财产状况恶化或者履行义务的能力明显减弱，有难为对待给付义务时，依法所享有的对抗对方请求，在对方未履行或提供必要担保之前，拒绝自己义务 First, the content of uneasy right of defense Unethical right of defense, also known as the first performance of the right to defend the contract, refers to the parties to a dual service contract according to the contract should be the first to fulfill the obligations of the party in the performance of one of the parties deteriorated or the performance of their obligations significantly diminished , It is difficult to treat the obligation to pay, according to the law enjoyed by the other party's request, the other party fails to fulfill or provide necessary guarantees, refused to their obligations