In the context of the teaching reform of English majors, it is important to make some adjustments to the traditional course teaching. This paper summarizes the present problems in the teaching of the course--English academic paper writing and then points out the importance of the application of blended learning in this course. Combining the needs of the course, it introduces the online platform, the way to keep balance between online and offline learning and the formative assessment of blended learning. Finally, it introduces the result of students' survey findings of their learning experience. The conclusions are as follows: Blended learning can solve the problem of limited class learning time with a difficult course. The teacher should keep a balance between online learning and offline learning. Formative assessment should be carried out in both online and offline learning. Survey findings reveal that students liked blended learning but thought the course was still difficult.