行政行为理论是全部行政法学理论的精髓和柱石。行政法理论是以行政行为的概念、分类、内容、效力等来构筑自己的理论体系。关于行政行为的一般理论阐述在整个行政法学理论体系中具有举足轻重的地位,是全部行政法学理论的内核。 The theory of administrative behavior is the essence and pillar of all administrative law theories. Administrative law theory is based on the concept of administrative action, classification, content, effectiveness and so on to build their own theoretical system. The general theory of administrative behavior elaborated in the theoretical system of administrative law plays a decisive role, which is the core of all the administrative law theory.