The invention discloses a traditional Chinese medicine composition for treating eczema. The traditional Chinese medicine composition comprises an orally taken medicine and externally applied lotion, wherein the orally taken medicine is prepared from the following raw material medicines: ginseng, donkey-hide gelatin, Chinese yam, fructus amomi, poria cocos, atractylodes macrocephala, semen coicis, white hyacinth bean, lily, spina date seed, peach kernel, phaseolus calcaratus, stauntonia chinensis and brown sugar; the externally applied lotion is prepared from the following raw material medicines: hedyotis diffusa, houttuynia cordata, coptis chinensis, angelica sinensis, pangolin, lycopodium clavatum, myrrh, spina gleditsiae, golden cypress, radix sophorae flavescentis and borneol. The orally taken medicine are made from materials which can be used as both medicine and food, thereby being applicable to children; meanwhile with the combination of the orally taken medicine and the externally applied lotion, the effect of treating both the symptoms and the causes is achieved, and eczema can be effectively treated.