Homework is the extension and supplement of classroom teaching, and it is the most basic activity form for students to learn. Yan Yuan, an educator in the Qing Dynasty, once said, "Words have limited contribution, but Xi has no contribution." This means that the kung fu taught in class is limited, while the practical application after class is unlimited. Students' homework has two main functions: for students, timely, appropriate and moderate homework is conducive to the consolidation of knowledge, the cultivation of learning ability and the expansion of thinking; Secondly, for teachers, homework is like a ruler, which can test the effect of teaching and learning, understand the effect of teaching, find out the problems in students' learning and the shortcomings in teaching, so as to reflect and improve in time and teach effectively. Through years of teaching practice and teaching research, the author thinks that the following aspects should be paid special attention to in order to optimize homework design and improve mathematics literacy: 1. 2. The operation time should be timely; 3. Diversification of business forms; Fourth, homework evaluation should be diversified.