不动产租赁合同履行过程中,承租方欲以拒绝支付租金的方式行使先履行抗辩权,法院应根据出租方履行交付、维护租赁物和租赁物瑕疵担保义务的履行情况而认定是否成立。如果出租方不完全履行的行为较轻微,不具备与支付租金构成对待给付,则根据诚实信用的原则,承租方先履行抗辩权不能成立。 During the performance of the real property lease contract, the lessee wants to exercise the right of defense first by refusing to pay the rent, and the court shall confirm whether the defendant has fulfilled its obligation of delivery and maintenance of the lease item and lease item according to the fulfillment of the obligations of the lessor. If the lessor does not fully perform the action is minor, do not have to pay and pay to pay treatment, according to the principle of good faith, the lessee to fulfill the right of defense can not be established.