Being highly flexible and operational, the due process of law affords a theoretical and institutional basis for due process of administration and serves as an external value of administrative due process.

In the early period of its implementation,the informal administrative procedure may play an important role while the formal administrative procedure cannot be replaced.

At the contemporary democratic society,administrative justice is a society public of common need and it is the important path which improves social unjust positive condition and it is our country set up to harmonize a society of important guarantee.

The idea of modern administrative justice holds the balance between all interests,but the unlimited extension of power makes it extremely easy to dissimilate the idea.

Influencing by the judicial review, the standard of administrative justice provides protection, standard and restriction for the legitimacy of administration, and it is also widely accepted and recognized by the public.