In English class,teachers are inclined to instruct linguistic knowledge,neglecting the training of students’ linguistic behavior.Especially under the whole-class teaching mode,the opportunities for students to practice spoken English are rather limited in the class.Based on the theory of Cooperative Learning,group work,which is a kind of teaching method,will effectively solve this problem.My research is to study the influence of this activity on the students’ English learning through questionnaire in vocational college and how to make this activity more effective. In English class, teachers are inclined to instruct linguistic knowledge, neglecting the training of students’ linguistic behavior .Especially under the whole-class teaching mode, the opportunities for students to practice spoken English are rather limited in the class. Based on the theory of Cooperative Learning, group work, which is a kind of teaching method, will solve solve this problem. My research is to study the influence of this activity on the students’ English learning through questionnaire in vocational college and how to make this activity more effective.