Teaching is required to change the traditional teaching mode based on the teaching of language knowledge, and to promote the implementation of task-oriented teaching and cooperative group learning model to improve students' practical skills in English. Especially with the continuous development of network technology, the advantages of the Internet are applied to English teaching, which provides important technical support for the construction of English cooperation group learning mode. English cooperation in the network environment can break through the traditional classroom-based teaching mode, not limited by objective factors such as time and place, and teachers, classmates and Internet English lovers to learn and communicate, promote students' enthusiasm to learn English, stimulate students' sense of team and innovation.