Russell said, "What is mathematics? Mathematics is symbol plus logic". Mathematical symbols are concise and abstract standardized languages, which are accurate and clear, and have the functions of simplifying thinking, improving efficiency and facilitating communication. One of the purposes of learning mathematics is to make students understand the meaning of symbols, use symbols to solve practical problems in life and mathematics itself, and develop students' sense of symbols. Mathematics curriculum standards emphasize the development of students' sense of symbols, pointing out the quantitative relationship and changing law represented by understanding symbols; Will be converted between symbols; Can choose appropriate programs and methods to solve the problems expressed by symbols. "How to cultivate students' sense of symbols in teaching according to the requirements of curriculum standards? The author believes that the establishment of students' sense of symbols can not be completed overnight, but gradually experienced and established in the process of learning. Below, the author combines his own actual teaching. Talk about some of my own practices. Let's first introduce "water of life"-awakening symbolic consciousness 1. Explore the potential symbolic consciousness of students' existing experience. We live in a symbolic world, and the convenience brought by symbols is everywhere in our lives, such as signs in shops, red "cross" signs in hospitals and various traffic signs on expressways. ...