Abstract: In this paper,a great many examples of misusing statistics analyzing the quantitative data are unveiled. Obviously,it is extremely important for people to process the quantitative data correctly by cheching the preconditons of data and discriminating the types of experimental designs. It is necessary for a great of practical workers to learn the knowledge on how to analyze the quantitative data rationally, for many people lack this kind of konowledge and the actual textbooks in statistics are of shortage in this aspect.