[Expert opinion on diagnosis and treatment of coronavirus disease 2019 with traditional Chinese medicine based on "three syndromes and three methods"].

As the ability of treating coronavirus disease 2019 (COVID-19) improves, the theory and method of diagnosis and treatment of COVID-19 need to be further enriched and perfected. In the clinical treatment of COVID-19, the theoretical system of "three syndromes and three methods" for treating critical diseases based on syndrome differentiation by integrated traditional Chinese medicine (TCM) and Western medicine has been recognized by the majority of clinical respiratory and critical disease experts. Xuebijing injection, which was developed based on "three syndromes and three methods", has been repeatedly recommended in the national diagnosis and treatment guidelines. In order to facilitate the clinical practitioners better understanding the "three syndromes and three methods", and apply the theory into the treatment of COVID-19, Expert opinion on diagnosis and treatment of coronavirus disease 2019 with traditional Chinese medicine based on "three syndromes and three methods" was organized by experts from China Association of Integrative Medicine Emergency Medicine Committee, which could make references for clinical practice.