Through field trips and practical activities, students can gain broader knowledge outside the classroom. Comparative research study is a teaching mode. Through on-the-spot investigation and practical activities, students can gain broader knowledge and experience outside the classroom and improve their practical ability, innovative thinking and problem-solving ability. The scope of research and comparison is usually aimed at a specific school or region. Students can choose their own courses or activities by participating in comparative activities, so as to improve their comprehensive quality and competitiveness. In the process of investigation and selection, students need to submit their own application materials, including resumes, academic achievements and social practice experiences. , for review and selection by the jury. According to the application materials and interview performance of the students, the jury will comprehensively consider the comprehensive quality and potential of the students and finally determine the shortlist. The significance of research and comparison lies in providing students with more learning opportunities and a platform to show themselves. At the same time, it can also promote exchanges and cooperation between schools and improve the quality and level of education.