The invention discloses traditional Chinese medicine for treating an interstitial lung disease. The traditional Chinese medicine is prepared from the following traditional Chinese medicine raw materials in parts by weight: 10 parts of radix astragali, 5 parts of herba pyrolae, 7 parts of reed roots, 6 parts of radix salviae miltiorrhizae, 5 parts of cassia twig, 3 parts of radix dipsaci, 5 parts of seeds of Chinese dodder, 5 parts of sandalwood, 7 parts of dendrobe, 10 parts of rhizoma anemarrhenae, 10 parts of endothelium corneum gigeriae galli, 5 parts of fortune silene herb with roots, 5 parts of pinellia ternata, 15 parts of pericarpium citri reticulatae, 7 parts of liquorice roots, 6 parts of radix codonopsis, 5 parts of radix bupleuri, 10 parts of radix curcumae, 10 parts of rhizoma zedoariae, 5 parts of dandelion, 5 parts of bighead atractylodes rhizome, 7 parts of poria cocos, 7 parts of Chinaberry fruit, 15 parts of evodia, 7 parts of dried rhizome of rehmannia, 10 parts of wolfberry fruit, 6 parts of radix angelicae sinensis, 10 parts of radix ophiopogonis, 10 parts of spatholobus stems, 5 parts of radix puerariae, 7 parts of periostracum cicadae, 10 parts of sargentgloryvine stems, 10 parts of rhizome of cyrtomiumd, 12 parts of radix arnebiae seu lithospermi, 15 parts of rhizoma polygoni cuspidate, 7 parts of radix sileris, 8 parts of notopterygium roots, 10 parts of honeycombs and 10 parts of sabia japonica. The traditional Chinese medicine raw materials are matched in a symptom differentiation way, and simultaneously achieve the efficacies of eliminating dampness and phlegm, removing swelling and lump, tonifying middle-Jiao and Qi, strengthening spleen and tonifying lung; the curative effect on an interstitial lung disease patient is obvious; both symptoms and root causes are treated.