1. Learning environment: Qingyun small class teaching, traditional classroom environment, students can interact face to face with classmates; Xiaoqing class is online teaching, and students can study at home or anywhere with internet connection.

2. Teaching method: Qingyun small class adopts face-to-face teaching, that is, the teacher gives lectures face to face; Xiaoqing class adopts network teaching, and students communicate and learn with teachers remotely through the network.