The invention provides a traditional Chinese medicine composition for oral administration applicable to cure acute eczema. Bulk drugs of the traditional Chinese medicine composition include coptis chinensis, cortex dictamni, phaseolus calcaratus, seeds of feather cockscomb, radix ophiopogonis, polygonum cuspidatum, isatis roots, rhizoma polygonati, uncaria, radix polygonati officinalis, radix paeoniae alba, fructus kochiae, angelica sinensis, large-leaved gentian, borneol, liquorice, notopterygium roots, eupatorium, lygodium japonicum, ginseng, white hyacinth beans, kadsura longepedunculata, saururus chinensis, adenophora tetraphylla and vine of multiflower knotweed. The traditional Chinese medicine composition substitutes antihistamine, can be used cooperatively with Western medicine for external use; through the integration of traditional and Western medicine, the remarkable effects that patient's condition is alleviated, the efficiency is improved, the curative time is shortened, recurrence is avoided, the patient's condition is kept stable, the quality of life of the patient is improved, no damage to the patient is caused, and no toxic and side effect or drug resistance is caused, so that the defects caused by Western medicine for oral administration such as antihistamine are overcome.