The traditional case-based reasoning has three drawbacks at least. They are(1) that solves the problems with Static fashions; (2)requires user to input a complete description of the problems to be solved;(3)and the system function is somewhat single. Conversation case-based reasoning can solve the above problems. This paper conducts the research and discuss to the new resarch method from the con-cept ,research congress,reasoning process,current research problems ,applications and the future direc-tions.
