Abstract: The twenty-fourth chapter of Lu Xun’s A Brief History of Chinese Fiction is the main representative of Lu Xun’s redology research, After comparing it with Yan Guwen and Hu Shi’work of redology research, the author of this article finds that this chapter was written on the basis of widely absorbing other’s research results and coupled with his own unique insights. It shows Lu Xun's choice and good vision, also shows Lu Xun’s insight and the objective and fair academic attitude. It can provide insight and inspiration for the current academic study.