The purpose of practical activities is to make up for the shortage of school education and teaching, enrich and deepen the practical content of students' ideological and political education, and promote young students to grow into talents and grow up healthily in the process of integrating theory with practice, and become high-quality and all-round talents. The significance of practical activities is conducive to students to develop good personality and communication skills such as cooperation, sharing and initiative; It is beneficial to cultivate students' ability to collect and process information; It is beneficial to cultivate students' ability to find and solve problems, and it is also beneficial for students to gain positive experience and rich experience in participating in practice and stimulate their innovation potential. It is beneficial for students to form an overall understanding of nature, society and self, and cultivate their love for nature and sense of responsibility for society and self; Conducive to the fundamental change of students' learning style.