Fault Liability of Conclusion of Treaty is a special kind of responsibility system. It is a independent right, which combines with the independent rights of contract, tort, improperly received profit, voluntary service to form the complete system. 缔约过失责任是一种特殊责任制度,其作为一项独立的请求权,与合同、侵权、不当得利和无因管理的请求权一起构成了债权请求权的完整体系。