Useful. Laicheng Cultural School in nangang district, Harbin is a characteristic cultural school with Mathematical Olympics as the leading factor, which is officially approved by the Education Bureau. Li Xiufu, a senior coach of China Mathematical Olympics, was invited to give a lecture. The characteristics of running a school are: solid basic knowledge training, comprehensive knowledge arrangement in class, paying attention to the senior high school entrance examination and competition, paying attention to the training of mathematical thinking ability and interest, strengthening the cultivation of autonomous learning and study habits, and adhering to the principle of entrance examination system and survival of the fittest, which provides a good learning atmosphere for outstanding students, so it is useful.