At present,there are problems in live teaching in open universities,such as insufficient student participation,weak relevance of teaching content,and limited interaction in the teaching process.This article analyzes the influencing factors from four aspects:learners,educators,live courses,and teaching environment,and proposes to accurately grasp the learning situation and stimulate learning enthusiasm;Optimize teaching design and enhance content relevance;Putting students at the center and enhancing course interactivity;Carry out teaching supervision,strengthen quality evaluation and other improvement strategies to provide reference and reflection for improving the current situation of live teaching in open universities.