After the Central Bank put forward the task of finishing Chinese Interest Rate Marketization in three years, how to promote Chinese Interest Rate Marketization reform became an issue of widespread discussion. In particular, as the price target of Capital, Interest Rate Marketization must have great influences on each aspect of Chinese Macroeconomic Environment. The purpose of this paper is to explore the similarities and differences of Interest Rate Marketization in the Japan and Korea, on the basis of analysis and comparison of these two countries. Then the author summarizes some valuable experiences that we can learn and presents a conception of how to promote Chinese Interest Rate Marketization reform more deeply.