With the unique advantages, online teaching during the epidemic has become an inevitable choice for the normal teaching, and also a useful supplement to offline teaching in the post-epidemic era. By stimulating and cultivating students internal drive, students online learning initiative will be greatly increased, the learning efficiency and classroom teaching effectiveness will be improved. Taking the course of college physics as an example, in this paper the cultivation strategy of students internal drive in online teaching is expounded. It provides beneficial enlightenment for the development of online and offline blended teaching.