行政合同,作为一种行政法律关系,可以被视作是新型的行政技术。本文在详细论述行政合同的定义、特征、内容、缔约方式及其程序的基础上,结合实际中的应用,指出行政合同应用中应注意“比例原则”和“信赖保护原则”。 Administrative contract, as an administrative legal relationship, can be regarded as a new type of administrative technology. Based on the detailed description of the definition, characteristics, content, contracting style and procedure of the administrative contract and the application in practice, this paper points out that “proportional principle” and “principle of trust protection” should be paid attention to in the application of administrative contract.