Traditional Chinese grammar is represented by Li Jinxi's A New Chinese Grammar firstly.Li's grammar system,taking the sentence layout and the sentence component as its main characteristic,is called the sentence-based grammar.This paper firstly briefly reviews the development history of the Chinese grammar,and summarizes the main ideas and theoretical features of two schools: traditional grammar and structural grammar.Then the paper analyzes the advantages and disadvantages of the main grammar systems in Chinese Information Process(CIP) from the view of the Chinese treebank,and compared them to traditional grammar to reveal the necessity of applying traditional grammar to CIP field.Finally,the paper discusses some key issues to be handled in the future of application.