Theoretical basis of admission rules are expounded, admission rules of the two great legal systems being studied under comparative laws, malpractice of the present Chinese admission rules being analyzed.

Due to the lack of confirmative rules,conducting administrative compensation meets some difficulties at present.

Hart s rule of recognition,is a inner factor of the aim of law which constitute the fundamental condition of legal system and the eight requirements of which form basic element of law.

This article believe that the concept of law has three inner clues: What is the condition there existing in law? What is law function condition? What is that law has reasonable and legitimate condition? This exactly is to come true by building about three propositions:the social fact thesis;the practical authority thesis;the rule of recognition thesis.

By the pedigree - based criteria of the rule of recognition, the inclusive legal positivism demonstrates that legal validity is a function of certain social facts.

As the criteria to distinguish between legal and non-legal propositions, the rule of recognition is the core of Hart s legal philosophy.

Judicial cognitive rule is an important evidential rule in evidential law, which has the force to relieve the deputy party of onus probandi.