RESUMEN
Since the coronavirus disease 2019 (COVID-19) outbreak, National Health Commission of the People's Republic of China and local departments have released a number of diagnosis and treatment plans for COVID-19. One of the recommended prescriptions for severe stage treatment is Huanglian Jiedu Decoction, whose TCM syndrome is corresponding to the severe syndrome of dual blaze of qi and nutrient in the COVID-19 protocol of Diagnosis and Treatment of Novel Coronavirus Pneumonia (trial version 7). Huanglian Jiedu Decoction can be used in the treatment of syndrome of dual blaze of qi and nutrient. Syndrome of dual blaze of qi and nutrient is with consumption of nutrient yin of body fluid, pathogenic qi always triumphing over healthy qi, excessive noxious heat from qi and nutrient, Huanglian Jiedu Decoction has the efficacy of clearing heat and detoxicating. It can achieve the therapeutic purpose of nourishing yin and protecting yin by removing evil spirits. Modern pharmacological studies have shown that Huanglian Jiedu Decoction has potential effects of anti-inflammatory and antipyretic, antiviral, antioxidant, regulating immunity and protecting viscera and tissues in the treatment of COVID-19 with severe syndrome of dual blaze of qi and nutrient. In this paper, the pathogenesis evolution of COVID-19 with severe syndrome of dual blaze of qi and nutrient, the relationship between prescriptions and syndromes of Huanglian Jiedu Decoction and its modern pharmacological effects was analyzed, so as to provide a basis for the effective treatment of Huanglian Jiedu Decoction in COVID-19 with severe syndrome of dual blaze of qi and nutrient.