本文从对“处分”和“无权处分”概念的再认识着手,通过考察物权形式主义立法模式的德国和我国台湾地区的无权处分制度与债权意思主义立法模式下的日本和意大利的无权处分制度,得出在采纳债权形式主义物权变动模式的我国,应坚持我国《合同法》第51条的规定,无权处分合同应为效力待定的合同。 This article begins with the re-understanding of the notion of “punishments” and “no punishable dispositions”. By examining the legislative modes of real right formalism in Germany and Taiwan in China, the disqualification system and the creditor’s rights model in Japan And Italy’s system of non-punitive power. It concludes that in our country that adopts the mode of change of real rights of claims, we should adhere to Article 51 of the “Contract Law” of our country and we have no right to dispose of the contract.