In this paper

the author systematically summarized and explained the idea of Prof. JIANG Liang-duo for preventing and treating the coronavirus disease-2019(COVID-19). According to Prof. JIANG

in the early stage of the disease

dampness and heat injury to the lung is the main cause and pathogenesis

and the high-risk group can be protected by supplementing Qi and nourishing Yin

clearing away heat and penetration. The patients with mild disease can be treated with Chinese medicine. But the accurately treatment can be given only knowing the ratio of the dampness

heat

deficiency and excess. For the patients with severe disease

both strengthening and removing pathogenic factors are important. But the drug for Qi should be prescribed instead of drugs for blood. The prognosis of critical illed patients is very poor

and the method of Invigorating Qi and taking Jin is useful to strengthen the foundation

promot lung

remove dampness

clear heat and cool Ying. Clinical medication should be adjusted according to people

time and place in the different situations.