Abstract: “Flip Classroom”is a new innovation of the traditional teaching mode.Based on understanding the features of flipped classroom, it is proposed that flipped classroom should meet the requirements of teachers’ role change, students’ role change and teaching environment change. Making public English course teaching of Yangling Vocational&Technical College as an example, it introduces the lipped classroom teaching design of pre-class teaching preparation, classroom teaching implementation and after-class teaching evaluation in detail. Through the comparison of teaching experimental data, it verifies the significant promoting effect of flipped classroom on improving public English teaching in higher vocational college.