Abstract: In this paper,a great many examples of misusing the analysis of the linear correlation and regression are unveiled. Obviously,it is extremely important for people to apply the linear correlation and regression correctly after understanding and mastering the basic concept and approach in this field. It is necessary for a great of practical workers to learn the knowledge on how to perform the analysis of the linear correlation and regression rationally, for many people lack this kind of konowledge and the actual textbooks in statistics are of shortage in this aspect.