In accordance with the nature, characteristics, uses, etc. of the information that are as distinguishing criteria, information classification is a means clustering things meeting the same standard. Classification is the basis of scientific research. The purpose of Information Classification on handed down Chinese Dictionary in Japan, South Korea and China is to provide a professional platform for philology researchers easily retrieve and inquiry. And providing a theoretical basis for the development and application of the depth of shared dictionary database of East Asian. This article analyzes and studies Information Organization, Information Retrieval and Information Classification of handed down Chinese Dictionary in Japan, South Korea and China, the Paper noted that standardized information classification principles is a prerequisite for East Asian countries to regulate the construction of database of handed dictionaries ,and to maximize sharing Chinese character resources.