There are large differences in the teaching contents, teaching methods and learning methods between high and junior middle schools, and the phenomenon which freshmen in high school don't be adapt to the learning of high school is widespread, it especially performs in the subject of mathematics. This phenomenon not only leads to freshmen's math grades generally decline, but also affects the whole mathematics learning in high school. Therefore, the linkage between the high and junior middle schools' teaching is an urgent problem. This paper analyzed the linkage of mathematics teaching from three aspects including teaching materials, students and teachers, I hope it would bring some inspiration and thinking to mathematics teaching in high school.
