1, comprehensive coverage: an excellent finale problem set should cover the key points, difficulties and hot spots of junior high school subjects, such as Chinese, mathematics, English, physics, chemistry, biology, geography and history. It is helpful for students to review and consolidate their knowledge comprehensively.

2. Improve thinking ability: The finale is difficult, which requires students to comprehensively use multiple knowledge points and problem-solving skills, which is helpful to improve students' logical reasoning ability, spatial imagination and creative thinking ability.