Relatively centralized reform of administrative examination and approval power has begun to develop from building a comprehensive administrative service center to exploring the establishment of an administrative examination and approval bureau, which is conducive to promoting the transformation of administrative examination and approval behavior from "separation" to "coordination", the transformation of administrative examination and approval management from "integration of examination and management" to "separation of examination and management", and the allocation of administrative examination and approval resources from "separation" to "intensive". The specific practice mode is different in different places. The administrative examination and approval Bureau mode has solved all kinds of drawbacks of the previous examination and approval system, but also exposed some problems. Whether the reform of the future administrative examination and approval Bureau model can be carried out in an all-round way depends on Further Strengthening the top-level design and promoting the transformation and optimization of government functions with the innovation of system and mechanism.