The invention provides a pure Chinese medicinal preparation for treating acnes, which is prepared from the following Chinese medicinal raw materials: ginkgo seed, honeysuckle flower, weeping forsythia, tree peony bark, baical skullcap root, white mulberry root-bark, gypsum, root of red-rooted salvia, Chinese honeylocust spine, divaricate saposhnikovia root, prepared rehmannia root, liquoric root, chrysanthemum, American ginseng, medlar, phellodendron, common selfheal fruit-spike, incised notopterygium rhizome, seaweed, angelica dahurica, golden thread, borneol, lightyellow sophora root, lithargite, talc, halloysit, camphor, henbane seed and spreading hedyotis herb. The Chinese medicinal preparation has the double anti-inflammatory effect, can inhibit the inflammation effectively, promote the metabolism of skin mucosa membranes, inhibit anaphylactic reaction, promote the growth of cells, discharge exfoliated cells and reduce the probability of secondary infection, has the effects of diminishing the inflammation, expelling toxin and discharging pus, and has the effects of preserving moisture, moistening and prolonging a local medicinal effect on the skin.