Abstract: During the COVID-19 pandemic,  Internet+ online classroom has replaced offline classroom as the main front of education and teaching. In the long run, online and offline blended teaching, and online teaching are the basic trends of higher education reform and development. How to summarize the experience of online teaching and improve the quality of online teaching is an important concern of higher education. Based on the structure-process-outcome theoretical model, through the analysis of the questionnaire results of 4,487 students^, online learning and 415 teachers^, online teaching in a medical college during the epidemic period, the study found that the quality of hardware and software support conditions, teachers, learners was generally good, the quality of teaching preparation, teaching implementation, supervision and evaluation was generally stable, and the quality of teacher and student satisfaction was controversial. Accordingly, the author puts forward suggestions on improving structural elements and process elements of online teaching and strengthening positive feedback of result elements.

Key words: structure-process-outcome, medical colleges, online teaching,  quality evaluation