In view of the background of large-scale online teaching in colleges and universities under the epidemic situation of COVID- 19, starting from the reality of online teaching in local colleges and universities, combined with investigation data, this paper ex- pounds three core issues in the process of online teaching in local colleges and universities, such as the selection of teaching content, the organization and implementation of teaching activities, and the tracking and evaluation of online teaching tasks; then puts for- ward some suggestions for the specific implementation of online teaching in local colleges and universities, in order to provide refer- ence for online education and teaching research.