This paper discusses the nature of administrative action regarding cognizance of fire accidents through analysis of the action categorization of the administrative organization,the definition of concrete administrative actions and relevant judicial practice.

From the view of the character,administrative adjudication,as a kind of concrete administrative action,is lawsuitable in theory;from the view of effects of the two means in the process of judicial examination,the means of administrative lawsuit with civil lawsuit is more reasonable in the form and content.

On Content Legality of Specific Administrative Act;

Research on Unrevokable Specific Administrative Act;

Different proof criteria should be designed for different types of specific administrative actions.

The content of security of the right to know is very rich, which involve all sectors, and specific administrative actions and people s political, economic and social lives, directly affecting people s immediate interests.

Being a typical concrete administrative behavior of public security, not of technical appraisement, the responsibility confirmation of road traffic affects the litigant guilty or innocence as well as the compensation for the corresponding damages, and should be put into the sphere of administrative action.

So the concrete administrative act of the policeagency must be defined insome extent.

This article aims at discussing the binding effect of concrete administrative act.