关于缔约过失责任制度的理论基础,学说和判例曾经有过许多主张,其中诚信原则说更为充分与贴切。我国确立缔约过失责任制度具有促进交易安全和效率、完善债法体系、维护受害人的利益等方面意义 On the theoretical basis, doctrine and precedents of the system of liability for contracting negligence, there have been many propositions, of which the principle of good faith is more fully and adequately described. The establishment of the responsibility system of contracting negligence in our country has the meaning of promoting transaction security and efficiency, improving debt system and safeguarding the interests of victims