Abstract: During the COVID-19 epidemic, Ningxia Medical University actively promoted online teaching and explored new experiences in the practice of online teaching quality monitoring and assurance. Multi-departmental took joint actions. The management department issued plans, and the guarantee department was responsible for training and guidance. The teaching department deployed carefully, and teachers practiced bold innovation to jointly promote the design and implementation of online teaching. Meanwhile, the quality control department monitored the whole process through online questionnaire surveys, lecture evaluation forms, online and offline seminars, online and synchronized lectures, etc., and dynamically solved problems on the softwares and hardwares of resource platforms. By improving the management system, we optimized the teaching platform, integrated the content of resources, played full roles of supervision. We provided feedback about problems and gave supervision and improvement timely. The deans of education and teaching strictly complied to quality outcomes and other measures, effectively monitoring online teaching quality. Online teaching in the school had been affirmed by the National Alliance of Quality Assurance Institutions of Higher Education, and the accumulated experiences could be used for reference 
by other universities. 

Key words: online teaching, quality monitoring, quality assurance, medical education