At present

college English composition teaching still continues the previous model teaching method

which hinders the promotion of students’ cooperation and approval

and also increases the difficulty of teachers’ work

resulting in composition becoming the key and difficult point for teachers to organize English teaching and students to carry out English teaching. At present

the new situation of educational reform has also prompted the reform of English education. Teachers should also explore diversified teaching methods

integrate modern educational concepts into the curriculum

and improve the quality and efficiency of teaching. The mode of mutual evaluation by students is a new composition evaluation method under the new era background. College English teachers can use the combination of mutual evaluation by students and teacher feedback to arouse students’ enthusiasm in English writing. This paper studies the effectiveness of mutual evaluation in college English writing teaching.