It is also an art to investigate carefully, to divide into groups, to divide into groups, to divide into groups, to divide into groups, to divide into groups, to divide into groups, and to divide into groups, teachers and students are also accustomed to this method of grouping is a kind of superficial grouping. In fact, when grouping, in addition to some of the factors mentioned above, we can even consider the collocation of male and female students, English Teaching Paper Model, academic performance, etc. , to 3-5-person group for the best. Here also reflects the concept of hierarchy, boys and girls have gender differences in thinking, male and female students can complement each other, learn from each other, from the perspective of sociology, can also improve the enthusiasm of students. In addition, the number of collaborative groups is limited to 3-5 people, providing each student with the opportunity to speak and discuss, and narrowing the hierarchical differences to a reasonable range. After the establishment of the group members, there is still a job to be done, that is, to select a spokesman and Group leader of the center, the spokesman of the center to implement the rotation system, so as to achieve the participation of everyone.