Abstract: In the era of "Internet plus education", college English, as a basic compulsory course for non-English majors, is imperative to introduce a new teaching model and related reforms. Aiming at the problems existing commonly in the construction of the college English classroom, this study will explore how to based on mixed "flip" classroom teaching mode to construct college English classroom efficiently, deep into the development of efficient classroom, increase the difficulty of the teaching content, improve learning challenges, and improve the students' learning enthusiasm, promote students shift from passive learning to active learning, Gradually form personalized learning style, and then cultivate the ability of independent learning.

Key words: Flipped classroom, Mixed teaching mode, College English, Efficient classroom