过错是侵权责任法中的基本概念,但各国立法都未对其进行界定,有必要结合侵权责任法的发展趋势,透过心理学及法理学的不同视角,对过错概念进行深入的研究,从中抽象、归纳出过错概念的构成要素,对过错进行科学的界定。本文通过对过错的心理分析,过错的界定和对过错认定、过错推定及过错责任原则基本内容的阐述,提出了对过错责任原则的相关见解。 The fault is the basic concept of Tort Liability Act. However, it has not been defined by the national legislation. It is necessary to combine with the development trend of Tort Liability Act, through the different perspectives of psychology and jurisprudence, to conduct an in-depth study on the concept of fault. Abstract, summed up the elements of the concept of fault, the fault of scientific definition. Through the analysis of the psychological analysis of fault, the definition of fault and the basic content of the principle of fault determination, fault presumption and fault liability, this paper puts forward some opinions on the principle of fault liability.