在我国物权法的酝酿过程中,物权行为理论一直是学者争论的焦点,从络绎不绝的批评之声到平心静气的接纳,对物权行为的肯定也占据了一席之地。如今,中国物权法已经出台,其中对物权行为理论的模糊“采纳”令人不解,本文拟从债法角度阐述物权行为理论的作用。 In the brewing process of property law in our country, the theory of real rights and interests has always been the focus of scholars’ arguments. From the constant criticism to the peaceful acceptance, the affirmation of real rights also occupies a place. Nowadays, the Real Right Law of China has been promulgated, in which the fuzzy “adoption” of the theory of real right behavior is puzzling. This article intends to explain the function of real right behavior theory from the angle of debt law.