2. The connotation of mathematics includes observing reality from a mathematical point of view, building mathematical models, learning mathematical languages, charts and symbols, and communicating with each other. Through rational thinking, cultivate rigorous quality, pursue innovative spirit and appreciate the beauty of mathematics. Mathematical culture can not be separated from the history of mathematics, but it can not be limited to the history of mathematics. When the charm of mathematics culture really permeates the teaching materials, reaches the classroom and is integrated into the teaching, mathematics will be more approachable, and mathematics teaching will also let students further understand, like and love mathematics through the cultural level.