Radix bupleuri detoxification pharmaceutical composition as well as preparation method and application thereof

The invention belongs to the field of traditional Chinese medicines, in particular to a radix bupleuri detoxification pharmaceutical composition and a preparation method and an application thereof. The radix bupleuri detoxification pharmaceutical composition is prepared from the following raw material components in parts by mass: 30-60 parts of radix bupleuri, 15-30 parts of radix scutellariae, 15-30 parts of rhizoma pinellinae praeparata, 15-30 parts of fresh ginger, 5-10 parts of Chinese dates, 20-40 parts of fructus aurantii immaturus, 10-20 parts of radix et rhizoma rhei, 10-20 parts of peach kernels and 15-30 parts of radix paeoniae alba. The radix bupleuri detoxification pharmaceutical composition disclosed by the invention has the advantages that the cough caused by common COVID-19can be obviously improved; the traditional Chinese medicine composition can improve cough caused by the epidemic toxin lung-closed type severe COVID-19, and remarkably improve main symptoms such as chest distress, shortness o