In the"Internet plus"era,the mixed teaching integrating traditional classroom and online learning characteristics has gradually become the mainstream mode of college curriculum implementation.Based on the BOPPPS theoretical model,this paper takes the Service Design course as an example to carry our teaching design research and teaching practice by adopting the mixed teaching mode,where teacher is the lead and student is the main body.It aims to form a trinity teaching link before,during and after the class.The results show that the teaching mode can effectively stimulate students'learning enth...