The invention relates to the medical field, in particular to a
drug for treating
asthma and a preparation method thereof. The
drug comprises grapefruit pulp,
grapefruit peel, nidus vespae, orange pulp,
rosa roxburghii Tratt., rhizoma belamcandae,
bulbus fritillariae cirrhosae, olive
bark, pitaya peel, peanuts, grosvener
siraitia, white turnip,
sinapis semen,
periostracum cicadae,
flos farfarae, climbing groundsel
herb,
pheretima and a proper amount of deionized water. The
drug prepared by using the method is obvious in
curative effect and small in
side effect and not likely to produce
drug resistance; the
bulbus fritillariae cirrhosae, the olive
bark and the pitaya peel are added into the raw materials, so that the drug has the functions of clearing away the heat and decreasing the internal heat, and the
curative effect of drug is improved; the white turnip, the
sinapis semen, the
periostracum cicadae, the
flos farfarae, the climbing groundsel
herb and the
pheretima are added into theraw materials, so that the drug has the performance of clearing the
lung and eliminating
phlegm, and the effect on
asthma treatment is obviously improved; in the preparation method, extraction is conducted with absolute ethyl
alcohol, the effective components of the drug are completely extracted, and the drug properties are higher; meanwhile, sterilization is conducted by using a high-pressure sterilization pot, so that there are no
bacteria in the finished drug, bacterial infection is prevented, and the
drug effect is easily maintained.