票据抗辩是指票据债务人对票据债权人提出的请求、提出的某种合法的事由而予以拒绝的行为。票据抗辩依据抗辩事由的不同和抗辩效力的不同，分为对物抗辩和对人抗辩两类。其中对人抗辩相对比较复杂，在理论和实践中存在一些不同的认识，有必要作进一步的探讨。 一、合同纠纷能否 Bill defense refers to the bill debtor’s request to the creditor of the bill, some legitimate reasons put forward to be rejected. Negotiable instruments based on different defenses and defenses vary, divided into two types of defenses against the object and people. Among them, the defense against people is relatively complicated, and there are some different understandings in theory and practice. It is necessary to make further discussion. First, the contract dispute whether