Traditional Chinese medicine composition for treating psoriasis, preparation method therefor and use thereof

A medicine composition for treating psoriasis, consisting of the following medicine raw materials in parts by weight:

• 5 to 25 parts by weight of buffalo horn powder, 5 to 15 parts by weight of Japanese honeysuckle flower, 5 to 15 parts by weight of gypsum, 2 to 10 parts by weight of red peony root, 2 to 10 parts by weight of tree peony bark, 1 to 4 parts by weight of charred cape jasmine fruit, 2 to 10 parts by weight of baical skullcap root, 5 to 15 parts by weight of garden burnet root and 0.5 to 3 parts by weight of liquorice root,
• wherein the medicine composition is prepared by the following steps:
• weighing baical skullcap root, Japanese honeysuckle flower, red peony root, tree peony bark, gypsum, charred cape jasmine fruit, garden burnet root and liquorice root, decocting with water 1 to 3 times, 0.5 to 3 hours for each, 4 to 10 times quantities of water for each;
• combining the decoctions, filtering, concentrating the filtrate under reduced pressure, drying, adding the buffalo horn powder and mixing uniformly.