The invention discloses a traditional Chinese medicine for treating the tuberculous exadative pleurisy. The traditional Chinese medicine is prepared from the following medicinal materials in parts by weight: cassia twig, radix paeoniae alba, ephedra, dried ginger, asarum sieboldii, mountain ash, grifola frondosa, shallot, rhizoma pinellinae praeparata, the fruit of Chinese magnoliavine, semen lepidii, snake gourd seed, allii macrostemi bulbus, corydalis tuber, almond, the root bark of white mulberry, mangnolia officinalis, radices stellariae dichotomae, cortex lycii radicis, gypsum, radish seed, malt, wax gourd seed, cordate houttuynia, the root bark of white mulberry, platycodon grandiflorum, rhizoma imperatae, Chinese date, dandelion, scutellaria baicalensis, radix curcumae, radix bupleuri, scandent hop, astragalus mongholicus, the tuber of stemona, prepared rhubarb, caulis akebiae, perilla leaf, bighead atractylodes rhizome, semen brassicae, Chinese fevervine herb and root, poria cocos, coix seed, rhizoma phragmitis, peach kernel, unibract fritillary bulb, radix glehniae, red flower, pericarpium citri reticulatae viride, Indian heliotrope herb, alocasia macrorrhizos and liquorice. Clinical experiments prove that the traditional Chinese medicine can safely and effectively treat the tuberculous exadative pleurisy.