作为语言技能之一,写作是学生语言应用能力提高的一大难题。在大班教学中,由于学生人数过多,语言能力参差不齐,阻碍教学质量的提高。合作学习是一种具有实效的新型教学法。本文介绍了合作学习理论在大学英语写作教学中的应用,旨在以小组活动为主的合作学习这一教学理念来提高大学英语写作教学的质量,建立一种实效、新型的以学生为中心的教学模式。 As one of the language skills, writing is a big challenge for students to improve their language ability. In large class teaching, due to the large number of students, language ability is uneven, hindering the improvement of teaching quality. Cooperative learning is a practical new teaching method. This paper introduces the application of cooperative learning theory in the teaching of college English writing, aiming at improving the quality of college English writing teaching with the teaching idea of ​​group activities as the mainstay, and establishing a practical and new type of student-centered Teaching mode.