The invention discloses a traditional Chinese medicine for treating pulmonary tuberculosis, and a preparation method thereof, and relates to the technical field of traditional Chinese medicines. The traditional Chinese medicine is prepared from, by weight, 5-7 parts of morningstar lily, 2-4 parts of Adenophora stricta, 3-5 parts of Radix Ranunculi Ternati, 3-5 parts of Berchemia floribun-da(Wall.) Brongn., 1-3 parts of Human Placenta, 4-6 parts of Poria cocos, 3-5 parts of Radix Pseudostellariae, 1-3 parts of Humulus lupulus, 3-5 parts of Polygonatum sibiricum, 2-4 parts of Radix Fici Simplicissimae, 1-3 parts of licorice root, 2-4 parts of Hedyotis diffusa, 4-6 parts of Bletilla striata, 2-4 parts of Bulbus Fritillaria, 3-5 parts of Radix Stemonae, 1-3 parts of Salvia miltiorrhiza, 2-4 parts of Ardisia japonica, 1-3 parts of Ganoderma Lucidum, 3-5 parts of Endoconcha Sepiae, 3-5 parts of bitter apricot kernel, 3-5 parts of tremella, 2-4 parts of Rhizoma Coptidis, 1-3 parts of Chinese angelica, 2-4 parts of chicken's gizzard membrane, 1-3 parts of spine date seed, 1-3 parts of oyster, 2-4 parts of gecko, 3-5 parts of Radix Polygalae and 3-5 parts of Radix Astragali. The traditional Chinese medicine has the efficacy of nourishing yin and moistening lung, tonifying qi and invigorating spleen, tonifying lung and nourishing kidney, strengthening body resistance and detoxifying, relieving cough and resolving phlegm, nourishing yin and decreasing internal heat, reinforcing earth and generating metal, and nourishing kidney and securing essence, and is suitable for treating various pulmonary tuberculosis syndromes.