The invention belongs to the Mongolian medicament, in particular to a Mongolian medicament for curing psoriasis which comprises twenty parts of traditional Chinese medicines calculated by the weight of fructus cannabise 35 parts, grass cassia 35 parts, resina liquidambaris 35 parts, chebula fruit 35 parts, fructus toosendan 35 parts, cape jasmine 35 parts, yellow horn wood 30 parts, acorus gramineus soland 30 parts, trogopterus dung 35 parts, light halitium 35 parts, light brown herba Gentianae loureiri 30 parts, rhododendron molle 30 parts, male clove 30 parts, artificial ox gallstone 35 parts, buffalo horn powder 35 parts, bear gall 10 parts, saffron 20 parts, musk 5 parts, roasted mercury 10 parts, and roasted sulfur 10 parts. The Mongolian medicament for curing psoriasis has a fine natural character and is combined by three kinds of medicaments of the animals, the minerals and the plants. The invention has a good curative effect of the psoriasis of a plurality of years. Through more than 50000 cases, the cure rate reaches 86% without recurrences, and the aim of the radical cure is achieved basically. The process for preparing the medicament is simple, the oral taking is simple,and the invention is capable of adjusting the five internal organs and the six hollow organs, and further the integral immunity is improved without side effect.