The invention discloses a Chinese medicine preparation for treating migraine and a preparation method thereof, and belongs to the field of traditional Chinese medicines. The effective ingredients of the Chinese medicine preparation are prepared from the following raw materials: Cladonia alpestris, chloranthus, crape myrtle root, salivia chinensis, loofah root, root of Dentiferous Dendropanax, euphorbia humifusa, ponceau, Vaccinium bracteatum, Cynanchum thesioides, Parthenocissus tricuspidata, Maianthemum japonicum, rupestris, Leptodermis potaninii root, Cryptotympana atrata and Ligusticum pteridophyllum. The compatibility of medicinal materials of the Chinese medicine preparation is appropriate and conforms to the theories of traditional Chinese medicine and pharmacy and modern medicine and pharmacology, and the Chinese medicine preparation has the efficacies on expelling wind, removing cold, clearing away heat, removing dampness, relaxing the muscles, stimulating the blood circulation, reinforcing qi and nourishing blood, has remarkable curative effect on various symptoms caused by migraine, has short treatment course and low cost, takes effect quickly, is safe and reliable without any toxic and side effects, is convenient to take, is easy to absorb, treats both symptoms and root causes, ensures that migraine does not relapse after being cured, and can be widely applied to clinic treatment of the migraine.