Applying what you have learned and playing mathematics is a comprehensive practical activity of mathematics. According to relevant public information, comprehensive mathematics practice is an important way to cultivate students' core literacy, and it is also conducive to cultivating students' innovative consciousness and divergent thinking. In order to further let students feel the close relationship between mathematics and life and preliminarily experience the value of mathematics, comprehensive mathematical practice activities with the theme of "Mathematics is fun, applying what you have learned" were carried out during the winter vacation.