College English teaching has undergone constant adjustment and reform according to the requirements of the times. In the new era, college English courses meet with the challenges of increasing curriculum objectives and decreasing class hours. How to ensure students' proficiency in English language application, cultural literacy and international understanding is one of the most important issues confronted by college English teaching today. The SPOC teaching mode integrates offline and online teaching, breaking the time limit of teaching in class and extending English learning to outside class. In addition, the multi-mode teaching contents and forms of online are more conducive to stimulating students' interest in English learning, which provides a favorable teaching mode for improving the college English teaching effect.