Dampness pestilence is a type of infectious diseases caused by the infection of dampness pathogens. Due to the characteristics of dampness stickiness and easy lingering and repetition

the disease development is slow

and the pathogenesis changes are relatively complicated

with the treatment periodicity relatively long. According to existing data

the coronavirus disease 2019（COVID-19） has fever as the first symptom

accompanied by basic symptoms such as fatigue

dry cough

dyspnea

gastrointestinal discomfort

and greasy coated tongue. The syndrome belongs to the category of dampness pestilence. The pathogen of the dampness pestilence pathogen is easy to invade Taiyin

and the main disease location is mainly at the lung and spleen. To clarify the understanding of traditional Chinese medicine on the dampness disease through literature review

we hope that it can guide the clinical treatment of COVID-19 from the perspective of dampness pestilence.