In recent years, the teaching of University Chinese Language and Literature Major generally implements the reform of teaching methods led by group cooperative learning to improve students' learning attitude and cultivate their autonomy in learning. This paper deeply investigates and analyzes the students' learning behaviors in cooperative groups in Chinese Language and Literature Major through case study. It is found that group cooperative learning can generally improve the learning attitude of the students in Chinese Language and Literature Major, but some of the underachievers have been "marginalized".