Since the outbreak of COVID-19, it still seriously affects our lives. Therefore, the research on the pathogenesis of COVID19 and the development of related drugs will help to alleviate the epidemic situation and help to make our lives return to normal as soon as possible. Previous studies have shown that COVID19 is a disease with unique characteristics, including pulmonary thrombosis, frequent diarrhea, abnormal activation of inflammatory response and alveolar edema,…