The invention discloses a traditional Chinese medicine granule for treating infantile common cold and a preparation method thereof. The traditional Chinese medicine granule is prepared from the following raw materials in parts by weight: 10-15 parts of radix bupleuri, 8-14 parts of scutellaria baicalensis, 6-12 parts of radix pseudostellariae, 4-8 parts of liquorice, 9-13 parts of sunflower faceplate, 10-15 parts of isatis root, 5-10 parts of fresh ginger, 10-15 parts of fructus jujubae, 5-10 parts of almond, 13-17 parts of wild carrot root, 8-14 parts of honeysuckle, 12-16 parts of blackberry lily, 5-10 parts of luffa flower, 7-11 parts of fructus forsythiae, 3-6 parts of bark of Chinese redbud, 4-8 parts of common dayflower herb, 5-10 parts of burdock, 14-18 parts of watermelon peel, 4-8 parts of balloon flower, 10-15 parts of mint, 5-10 parts of goldthread, 10-15 parts of wild chrysanthemum flower, 15-20 parts of folium isatidis, 6-12 parts of mulberry leaf, 14-18 parts of common hogfenneI root and 10-15 parts of pumpkin. The traditional Chinese medicine granule for treating infantile common cold has the effects of clearing away heat and toxic materials, supplementing center and boosting energy, dispelling cold and consolidating superficial resistance, nourishing Yin and moistening lung, dispelling wind and freeing orifice, smoothing throat to stop cough, clearing liver and relieving exterior syndrome, regulating spleen and stomach and ventilating lung qi for dissipating phlegm and has the advantages of significant curative effect, rapid effect, short course of treatment, no toxic and side effects, wide applicability to diseases and good safety and economy, thereby being worthy of popularization and application.