Contractual crime of fraud is regarded as a kind of crime of property. The study of the fraud amount is of momentous significance to conviction and measurement of penalty.

• 合同诈骗罪作为一种财产型犯罪,其诈骗数额研究对定罪和量刑具有重要意义。文章认为,应以受骗人因行骗人的行骗行为造成的直接损失数额,作为合同诈骗犯罪定罪数额的理论依据;