1, improve understanding. By the eighth grade, Chinese diligent study has been done for a long time to improve students' understanding ability. By comparing two similar articles, we can learn from them to judge the differences and improve reading comprehension ability, but the new method is not as early as diligent study.

2. Cultivate students' autonomous learning ability. Diligence in eighth grade Chinese can cultivate individual's autonomous learning ability, autonomous learning and knowledge, so as to better keep up with the progress of classroom teaching, but this function is not available in the new method, so it is good to study diligently in eighth grade.