票据是国际国内商品交易中重要的支付手段和信用工具，随着我国市场经济的发展，票据在现代商品社会中经济功能不断增强，票据质押制度也得到广泛应用。但是我国现行担保法、物权法和票据法对票据质押的规定存在相互矛盾的地方，使得实践中既存在票据作为权利凭证的民事担保质押，又存在票据法上的票据质押，笔者将有关票据的质押行为统称之为票据质押，分述四种情况予以讨论，以理清票据质押的性质，从而进一步分析其无因性。

The bill is important means of payment and credit implement in commodity business in the international and the homeland commodity business. With the development of our country’s market economy, the bill’s economic function is strengthening in modern commodity society, and bill hypothecation has been widely used. But China's current security law, property law and the provisions of Negotiable Instruments Law of the paper pledge where there is conflicting, making notes in practice there was not only the civil rights credentials as a security pledge, but also notes the existence Negotiable Instruments on the pledge, I pledge the relevant instruments behavior system called notes pledge, as described four cases to be discussed, to clarify the nature of the Notes pledged to further analysis the abstraction.