Starting from the analysis of the concept of administrative legal relation, the author makes four classifications concerning administrative agencies 'different legal status and legal positions, as well as legal relations between administrative agencies and other legal entities; 从分析行政法律关系的概念入手,可将行政机关在行政活动中所具有的不同法律身份和法律地位以及它与其他法律主体之间形成的法律关系分为四类;