Insights from the Perspective of Traditional Chinese Medicine to Elucidate Association of Lily Disease and Yin Deficiency and Internal Heat of Depression

Lily disease was first recorded in Synopsis of the Golden Chamber by Zhang Zhongjing. It is a disease of heart and lung internal heat by Yin deficiency, which belongs to the category of emotion disease in Chinese medicine. In recent years, researchers believe that lily disease and depression syndrome of Yin deficiency and internal heat have many similarities in etiology, pathogenesis, and clinical manifestations. This review summarizes the clinical symptoms, etiology, pathogenesis, and therapeutic medication of lily disease and modern Yin-deficient internal heat depression and discusses the relationship between them. Furthermore, the relationship between coronavirus disease 2019 (COVID-19) and lily disease was discussed from the etiology, pathogenesis, and treatment. It provides new ideas for the treatment of COVID-19 and the treatment of psychological problems after recovery.