The invention relates to a Chinese traditional medicine preparation and the preparation method, in particular to a Chinese traditional medicine preparation which has evident effect on treating skin diseases such as acute and chronic urticaria, acute eczema of wind-heat type or wind-heat-dampness type and the preparation method. The preparation is prepared by the raw materials with the proportion by weight, that is, the proportion of Lighiyellow Sophora Root, Japanese Atractylodes Rhizome, Radix Saposhnikoviae, Fineleaf Schizonepeta Herb, Puncturevine Caltrop Fruit, Sandalwood, Common Cnidium Fruit, Siberian Cocklebur Fruit, Scolopendra, Natural Indigo, Dandelion, Viola chinensis, Baical Skullcap Root, phellodendron, Golden Thread, Periostracum Cicadae, Radix Rehmanniae, Tree Peony Bark, Chinese Tamarisk Twing, Gromwell Root and Chinese wolfberry Root-bark equals to 125-225:50-150:25-125:125-225:50-150:75-175:50-150:25-125:25-125:25-125:100-200:75-175:25-125:25-125:25-125:50-150:50-150:50-150:50-150:50-150:75-175. The invention is a pure Chinese traditional medicine preparation and is characterized by accurate efficacy, good effect, no side effects like the Western medicine antihistamine, and good stability; besides, with 86.22 per cent total effective rate in treatment reaches, rich medicine sources and low cost, the invention has great development and application values.