缔约过失责任是违反先合同义务的责任,其理论发展、构成要件、赔偿范围都是理论界关心和研讨的热点。本文从阐述缔约过失的理论基础出发,对缔约过失责任的构成条件、赔偿范围及其与违约责任的关系进行了阐述。 Liability for contracting the fault is a breach of contractual obligations, its theoretical development, constitutional requirements, the scope of compensation are the theoretical circles of concern and discussion of hot spots. Based on the explanation of the theoretical basis of contracting fault, this article elaborates the constitution conditions, the scope of compensation and the relationship between the liability and the breach of contract.