No scientific evidence has been seen to show that betel nut can prevent or treat neocoronavirus infections. Clinical trials have demonstrated that extracts of betel nut have some antiviral effect. However, the prescription of betel nut in clinical treatment is a targeted application by experts according to the two current syndromes of Neoplastic pneumonia, each prescription is a whole and does not mean that betel nut is effective alone. And the drug betel nut and food betel nut itself is two concepts, can not be equivalent.