物权行为理论是关于物权变动的一种重要理论,学界对物权行为的研究大多集中于其内容和意义,真正指出物权行为概念为何物的甚少。对此,本文从物权行为的理论起源入手,总结出物权行为的概念:物权行为在双方法律行为中是直接导致物权变动的意思表示的合致,也就是交付或登记本身;在单方法律行为中是直接导致物权变动的意思表示,即抛弃等行为本身。 The theory of real right behavior is an important theory about the change of real right. The academic research mostly focuses on the content and significance of the real right behavior, and really points out the concept of real right behavior. In this regard, this article starts from the theoretical origins of the real right behavior, sums up the concept of the real right behavior: the real right behavior in the legal acts of both parties is the direct result of the change of real right, which is the delivery or registration itself; The legal act is a direct indication of the change of real rights, that is, to abandon the act itself.