本文首先通过对无权处分内涵的分析,确立了无权处分合同效力的探究基础;进而通过对目前我国学界存在的关于无权处分合同效力的三种学说的比较分析,得出结论,基于我国《物权法》所确立的物权变动模式更接近于债权形式主义,无权处分合同的效力应采纳以此为理论基础而发展的效力待定说,但效力待定说也并非是完美无暇的,仍需通过一些法律解释来弥补效力待定说中现存的缺陷。 First of all, through the analysis of the connotation of the right to disposition, the author establishes the basis of inquiry that the author has no right to dispose of the validity of the contract. Then through the comparative analysis of the three doctrines on the validity of the disqualification contract in our country, The mode of property change established by the Property Law is closer to that of debt formalism. The effectiveness of the power to dispose of the contract should be subject to the conclusion that the validity of the development based on this theory should be adopted. However, the effect to be determined is not flawless. Through some legal explanations to make up for the shortcomings of the validity to be determined.