With the increasing complexity of social relations,problems can be found persisting in administrative registration,which is an important administrative behavior in daily life in China's current legislation,theory and justice.The reason for this is the reality that the administrative registration research does not change further with the expanding registration content and form,leading to the conflict between the theory and the practice.The study suggests that the administrative registration research should be based on the trend of the administrative behavior theory in a broad sense,and shall be perfected in legislative and judicial aspects with the premise that administrative registration is identified as a procedural administrative act.