Wen Xin Diao Long is a great theoretical monograph which comprehensively studies the basic principles and artistic approaches of literary writing and criticism,and each chapter is sui generis.This article analyzes Liu Xie's author criticism according the chapter Cai Lue.This article is divided into three parts.The first part discusses how writer's "talent","Qi" and "nature",the three subjective factors affect their creation and the consequent influence on the standards and principles of value orientation.Liu Xie claims literature's subjectivity,diversity and originality.The second part specifically analyzes the objective factors which influent writer's creation,which expands the visual threshold of the chapter Cai Lue.The third part analyzes Liu Xie's critical style and attitude.