Where termination of a contract is subject to any procedure such as approval or registration, etc. as required by a relevant law or administrative regulation, such provision applies.

The termination mechanism of problem bank include seven aspects, such as the system line, the purpose, the principles, the types, the responsible institution and the procedure.

The paper involves the conception of Internal-procedure and External-procedure, as well the study of method of rule termination analysis in search of active mechanism.