Preclinical pharmacological tests show that this product can reduce the number of coughs induced by ammonia water in mice and prolong the cough incubation period. It can prolong the latent period of histamine-induced asthma in guinea pigs; Inhibition of xylene-induced cotton granuloma in rats and ear swelling in mice; It has a certain inhibitory effect on degranulation of rat mast cells; It has certain antipyretic effect on the temperature rise of rabbits caused by endotoxin of Escherichia coli; It has protective effect on mice infected with influenza A 1 virus.