As a language teaching method, carrying out translation activities should serve the teaching goals of the whole class, and be combined with other teaching methods to jointly promote the improvement of English comprehension ability and students' application ability. This paper takes the application of multimedia technology in undergraduate English classroom teaching as the research object, combined with my specific teaching practice in undergraduate English classroom teaching, analyses the positive and negative factors of multimedia-assisted teaching, and summarizes teachers, students, teaching materials, The corresponding situation of changes in teaching process and teaching methods; 91.6% of students prefer English teachers to use auxiliary teaching resources for translation teaching. The development prospect of multimedia in classroom teaching and the application of multimedia in education and teaching in the future are prospected. It provides a reference for new teachers and scholars who wish to apply multimedia technology to assist English teaching in undergraduate classroom learning.