The invention discloses a new Chinese medicinal composition for treating medial headache and migraine and a preparation method thereof. The Chinese medicinal composition comprises the following raw material medicaments: szechuan lovage rhizome, root of red-rooted salvia, costustoot, fenugreek lysimachia, benzoin, tangerine peel, radix curcumae, cyperus rotunus, golden thread, baical skullcap root, cassia twig, incised notopterygium rhizome, angelica dahurlica, kudzuvine root, peach seed, safflower, common burreed rhizome, zedoary, pangolin scales, raw astragalus, radix paeoniae alba, red paeony root, tall gastrodia tuber, gambir plant, storax, grassleaf sweelflag rhizome, fineleaf schizonepeta herb, divaricate saposhnikovia root, radix ephedrae, weeping forsythia, manchurian wildginger, biond magnolia flower, mentha haplocalyx, raw rehmannia root, szechwan chinaberry fruit, rose, radix pseudo-ginseng, rosewood heart wood, garden burnet root, leonurus heterophyllus, cowherb seed, ground beeltle, sappan wood, dragon's blood, pinellia tuber and the like. The Chinese medicinal composition can be prepared into any oral administration preparation used commonly according to the conventional method of Chinese medicinal preparations. The Chinese medicinal composition can improve headaches of bitamporal, foreheads and orbital parts, pulsatile headache or boring pain and the like, and associated symptoms of nausea, vomiting, blurred vision, frequent micturition, urination disorder, stuffy nose, palpitation, hypertension, hypotension, arrhythmia, megrim, ataxia, diplopia, hearing loss, tinnitus, disturbance of consciousness and the like obviously, and has definite clinical effects, obvious curative effect and quick response. The Chinese medicinal composition of the invention is combined by adopting medicinal and edible medicaments formulated by National Formulary basically, and thus, the Chinese medicinal composition has the advantages of low cost and no toxic or side effect.