The invention relates to a Chinese 
medicine for treating 
chronic cough with 
asthma disease and acute 
attack of cough with 
asthma and a preparation method thereof. The 
medicine adopts prepared 
pinellia tuber, saffron, ginger, rhizoma bletillae, bergamot, 
glycyrrhiza, perilla leaf, mint, citron, dried 
tangerine peel, red 
ginseng, west 
ginseng, villosum, ligaloes, clove, cardamom, cinnamon and calcined haematitum as raw materials which are prepared into an extractum by damp-heat sterilization, crushing, screening, heat 
reflux extraction, decoction and concentration; 
moderate amount of 
starch is added into the extractum to prepare grains; and the Chinese 
medicine capsule is obtained by filling the grains into a hollow 
capsule. The invention can achieve better 
efficacy as the medicine can effectively dissipate 
phlegm, suppress cough and relieve dyspnea by the compatibility of prepared 
pinellia tuber, Chinese medicine, for 
drying damp and eliminating 
phlegm and red 
ginseng for replenishing 
vitality and relieving depletion and other medicines for regulating qi and strengthening 
spleen, supplementing the 
body fluid and relieving cough, benefiting 
lung and nourishing yin, and the like. The medicine is 
oral administration, thus having convenient use, exact effect and small 
toxicity and side effects. The Chinese medicine also has the advantages of rich source of raw materials, simple production method and low cost.