The invention discloses external ointment for treating infantile eczema and belongs to the technical field of traditional Chinese medicine. The external ointment comprises cortex dictamni, fructus arctii, rhizoma coptidis, tetrapanax papyriferus, poria cocos, fructus amomi, medicated leaven, liquorice, herba violae, rhizoma belamcandae, radix sophorae tonkinensis, hedyotis diffusa, brucea javanica, radix lithospermi, red peony root, moutan bark, sanguisorba officinalis, pagoda tree pod, semen plantaginis, fructus kochiae, desmodium, lygodium japonicum, pyrrosia lingua, polygonum cuspidatum, caulis aristolochiae manshuriensis, diploclisia affinis, smallfruit fig aerial root, puffball and vaseline. The external ointment has the advantages that the various traditional Chinese medicine materials of the external ointment are scientifically combined to achieve a synergic effect, the external ointment has effects of clearing away heat and toxic materials, cooling blood and excreting dampness and tonifying qi and benefiting middle-jiao, and the external ointment is short in treatment course, fast to become effective, high in cure rate and worthy of popularization.