National lecture tour. Teacher Lu Qiangjun is the education director of Zhongchuang Education, a famous junior high school math teacher, has many years of teaching experience in key middle schools, pays attention to teaching and research, has a deep research on the proposition of the senior high school entrance examination, and has a set of standardized and effective problem-solving procedures for the test sites and difficulties of the senior high school entrance examination. By the end of 20021,1 1, Mr. Lu Qiangjun had started a national lecture tour to stimulate students' interest in learning mathematics, in order to let more students in China get better education and improve their math scores.