The invention relates to a medicament for treating
migraine, which is prepared from the following
raw material medicines in part by weight: 20 to 25 parts of paniculate swallowwort root, 20 to 25 parts of beautiful sweetgum fruit, 5 to 10 parts of white paeony root, 5 to 10 parts of incised notopterygium
rhizome, 20 to 25 parts of liquorice, 20 to 25 parts of
isatis root and 20 to 25 parts of
rhodiola. The method for preparing the medicament comprises the following steps of: taking the paniculate swallowwort root and the incised notopterygium
rhizome, mixing,
drying and crushing; adding solution of
sodium chloride, distilling and recovering to prepare distillate, and concentrating to prepare solution A; taking the beautiful sweetgum fruit, the white paeony root, the liquorice and the
isatis root, mixing,
drying, crushing into
fine powder, and extracting and concentrating to prepare solution B; performing
ethanol extraction on the
rhodiola twice, recovering
ethanol to prepare the concentrated solution,
degreasing, extracting by using n-butyl
alcohol, and concentrating under reduced pressure to prepare solution C; and mixing the solution A, B and C, and adding other medicinal auxiliary materials to prepare the finished product. The provided medicament for treating the
migraine has the advantages of quick response, exact
curative effect, little medicinal taste and low price; and the preparation method has the advantages of suitability for industrial production and low component loss and is easy to operate.