Senior high school mathematics ladder training book has the course of Olympiad Mathematics. The Course of Olympic Mathematics is published by East China Normal University Press. This set of books is divided into three sets according to grades: Grade One, Grade Two and Grade Three. Each grade contains three tutorials, tests and study manuals. It is a relatively basic and entry-level competition course. The course of Olympic Mathematics starts from textbook knowledge and gradually transitions to competition, covering all the test sites and hot spots of the competition. Each book contains basic articles and advanced articles. Therefore, the book of high school mathematics ladder training has the course of Olympiad Mathematics.