随着改革的深入，社会主义市场经济的发展，票据纠纷案件作为一种新类型经济案件增长幅度日益加大。票据纠纷的实质性内容主要表现在票据债权人要求债务人履行义务，而债务人则以各种理由拒绝履行，其中票据债务人根据票据法规定对票据债权人拒绝履行义务的行为，称为票掘抗辩 With the deepening of reform and the development of the socialist market economy, the bill dispute cases as a new type of economic cases have been growing more rapidly. The substantive content of negotiable instrument disputes mainly lies in that the creditor of the negotiable instrument requests the debtor to perform its obligations, and the debtor refuses to perform it on various reasons. The debtor of the negotiable instrument acts as a bill digging defense according to the law of negotiable instruments that refusing to perform the obligations of the negotiable instrument creditor