The invention discloses a traditional Chinese medicine composition for treating acute hepatitis and a preparation method thereof. The traditional Chinese medicine composition mainly comprises the following raw medicinal herbs: radix bupleuri, folium isatidis, isatis root, chrysanthemum, taraxacum officinale root, herba violae, pericarpium citri reticulatae viride, rhizoma cyperi, costus root, hawthorn, angelica sinensis, raw rehmannia, radix scrophulariae, root of kudzu vine, radix paeoniae alba, soapstone, cape jasmine, houttuynia cordata, subprostrate sophorae, rhizoma smilacis glabrae, oriental wormwood, indigo naturalis, coptis, rheum officinale, felwort, ash bark, radix sophorae falvescentis, bunge cherry seed, lophatherum gracile, bezoar, antelope's horn, patrinia, lithospermum, moutan bark and root of common peony. The traditional Chinese medicine composition can be prepared into any one common oral preparation according to a conventional traditional Chinese medicine preparation method. The invention can remarkably improve symptoms of inappetence, hepatitis B virus, hepatitis B carrier, arcane positive, greasy antiposia, diarrhea, jaundice, hepatic encephalopathy, electrolyte disturbance, encephaledema, cerebral hernia, hepatorenal syndrome, hydroperitoneum, electrolyte disturbance and the like, and has accurate clinical treatment effect, remarkable treatment effect and rapid effect taking. Because of being combined by basically adopting medicinal and edible Chinese medicinal herbs specified in National Formulary, the traditional Chinese medicine composition has the advantages of low cost, basic no toxic and side effects, and the like.