行政行为已受到我国行政学界的充分关注,甚至被某些学者认为行政法学的逻辑起点、主轴线。行政作为和行政不作为是行政行为固有的两种不同方式,但学界对此界分标准不一,造成理论体系混乱。本文从行政作为的概念、主要类型和相对人的救济等方面进行分析,对构建科学而完善的理论体系有重要的法律意义。 Administrative behavior has been fully concerned by the administrative circles in our country, and even some scholars think the logical starting point of administrative jurisprudence, the main axis. Administrative acts and administrative omissions are two different modes inherent to administrative actions. However, the academic circles have different standards of this division, resulting in chaos in the theoretical system. This article analyzes the concept of administrative act as the main type and the remedy of relative person, which is of important legal significance to the construction of a scientific and perfect theoretical system.