The invention discloses a novel traditional Chinese medicine combination for treating lung asthma and a preparation method thereof. The traditional Chinese medicine combination mainly comprises the following bulk drugs: perilla fruit, common coltsfoot flower, platycodon root, snakegourd fruit, immature bitter orange, seasoned orange peels, radish seed, Chinese dwarf cherry seed, radix et rhizoma rhei, Mongolian dandelion herb, viola yedoensis mak, honeysuckle flower, fineleaf schizonepeta herb, radix saposhnikoviae, incised notopterygium, purple perilla fruit, bitter apricot seed, chrysanthemum, root of whiteflower hogfennel, unibract fritillary bulb, michaelmas daisy, Chinese angelica, prepared rhizome of adhesive rehmannia, acori graminei rhizome, paconialactiflora pall., raw radix astragali, root of pilose asiabell, rosewood heart wood and Magnolia officinalis rehd.et wils. The traditional Chinese medicine combination can be prepared into any common oral preparations according to the conventional traditional Chinese preparation methods. The invention can notably improve cough, short breath, asthma, cough, expectoration, chest distress, labored breathing, palpitation, hypodynamia, asthma to result in inability to rest, vomiting caused by cough and the like, and has definite and obvious clinical therapeutic effect and rapid treatment effect. As the traditional Chinese medicine combination basically adopts drugs of homology of medicine and food stipulated in national pharmacopoeia for combination, the Chinese traditional medicine combination has the advantages of low cost, basically no side and toxic effects and the like.