Abstract: With the development of education, especially under the joint effect of the new curriculum reform and modern education, many teaching methods and teaching models gradually come into our middle school classroom, and through the careful design of teachers, make it glow in teaching. In this paper, the characteristics of complementary teaching method are described, and the use of mathematics teaching in rural junior middle school is described, especially in combination with the characteristics of boarding school in rural junior middle school of our county. Through the author's own views and practice, we can add bricks and tiles to the education industry of our county.

Key words: Rural middle school, Junior high school mathematics, Education mode, Complementary teaching method