The invention discloses a traditional Chinese medicine preparation for treating infant lung heat cough. The traditional Chinese medicine preparation contains the following raw materials in parts by weight: 5-15 parts of ophiopogon japonicas, 3-12 parts of affine cudweed, 3-12 parts of herba tripterospermi, 2-10 parts of Indian rorippa herb, 3-12 parts of root of delavay dobinea, 3-12 parts of lespedeza formosa, 3-12 parts of jenkine dendrobium, 2-9 parts of honeysuckles, 5-15 parts of almonds, 3-12 parts of herba centipedae, 2-10 parts of caulis perllae, 3-12 parts of rhizoma pinelliae, 2-10 parts of fresh ginger, 3-12 parts of herba ephedrae, 5-15 parts of mother chrysanthemum, 3-12 parts of liquorice and 5-15 parts of folium mori. All components are natural Chinese herbal medicines, so that the traditional Chinese medicine preparation has the efficacies of clearing away heat and toxic materials, clearing away lung-heat and phlegm, moistening lung, arresting cough, enhancing immunity,depressing vital energy and reducing phlegm; and by virtue of a combined synergistic effect of multiple medicinal materials, the traditional Chinese medicine preparation is mainly use for regulatingvital energy, eliminating phlegm, inducing dieresis, alleviating edema, relieving internal heat or fever, relieving pain, removing heat and cooling blood. Each component of the traditional Chinese medicine preparation has no side effect, the traditional Chinese medicine preparation has remarkable effects, and the curing rate is relatively high.