The invention provides a Chinese medicament for treating 
asthma. The Chinese medicament consists of fifteen medicaments including 
ginkgo seeds, ephedra, common coltsfoot flowers, 
pinellia tuber, 
tangerine peel, 
white mulberry roots-barks, poria, largehead atractylodes 
rhizome, perillaseed, baical skullcap roots, apricot kernels, 
astragalus, radix glycyrrhizae preparata, jujubes and tokays. A preparation method comprises the following steps of weighing the tokays in parts by weights, and 
grinding the tokays into 
powder; weighing the other fourteen medicaments in parts by weights, adding cold water in a way that a 
water level is higher than a medicament level, impregnating the medicaments for 0.5 to 1 hour, boiling a mixture with high 
flame, decocting the mixture for 20 to 30 minutes with low 
flame, and filtering the mixture to remove dregs to obtain liquid 
medicine; performing decoction twice, mixing the liquid 
medicine obtained by twice decoction, boiling the mixed liquid 
medicine, and decocting the mixed liquid medicine for 3 to 5 minutes. The Chinese medicament has the effects of relieving cough and 
asthma, reducing 
phlegm, reinforcing qi, clearing heat, removing 
toxicity, nourishing blood and promoting 
blood circulation to 
remove blood stasis, has good effects, and can quickly take effect, and the 
toxicity and the adverse effects of the medicament can also be reduced, so that the aim of comprehensively recovering various physiological functions of tracheas and 
lung tissues is fulfilled.