The invention relates to a traditional Chinese medicine composition for treating chronic eczema. The traditional Chinese medicine composition comprises the following traditional Chinese medicine materials in parts by weight: 20-40 parts of dried rehamnnia roots, 5-20 parts of tree peony barks, 5-20 parts of roots of common peony, 5-20 parts of lithospermum, 10-30 parts of rheum officinale, 5-25 parts of radix sophorae flavescentis, 5-20 parts of golden cypress, 5-20 parts of medicinal cyathula roots, 5-20 parts of broom cypress fruits, 5-25 parts of cortex dictamni, 5-20 parts of elephantopus scaber, 20-40 parts of honeysuckles, 5-25 parts of fructus forsythiae, 5-20 parts of stiff silkworms, 5-20 parts of cicada slough, 5-20 parts of Chinese parsnip roots, 10-30 parts of Chinese angelica, 20-40 parts of rhizoma smilacis glabrae, 5-25 parts of evenlobed yam rhizome, 10-30 parts of coix seeds, 20-40 parts of roots of red-rooted salvia, 10-30 parts of ligusticum wallichii, 5-20 parts of peach kernels, 5-20 parts of red flowers, 5-25 parts of schizonepeta, 10-30 parts of polygonum aviculare and 5-15 parts of liquorices. The traditional Chinese medicine composition disclosed by the invention has the effects of invigorating spleen to eliminate dampness, promoting eruption to remove skin ulcers, removing toxic materials by cooling blood, and dispelling wind and arresting itching, and has remarkable curative effect on chronic eczema and achieves reliable action.