Abstract
Taking the process of treating coronavirus disease 2019 (COVID-19) with Western medicine and traditional Chinese medicine (TCM) as the research object, this article compares the characteristics of Western medicine and TCM from the perspectives of aetiology, pathogenesis, diagnosis, and treatment. Western medicine and TCM each has its own theoretical system. Each has its own exposition in explaining the etiology and pathogenesis of the disease, and each has its own characteristics and advantages in diagnosis and treatment. Integrating TCM and Western medicine can improve the effect of treatment by forming a coordinated traditional Chinese and Western medicine treatment method.