The invention relates to a traditional Chinese medicine preparation, in particular to a capsule for treating headache. The capsule for treating headache is prepared from the following bulk pharmaceutical chemicals in parts by weight: 6 parts of ligusticum wallichii, 5 parts of ligusticum, 8 parts of radix angelicae, 1 part of gastrodia elata, 9 parts of root of red-rooted salvia, 7 parts of kudzuvine root, 18 parts of fresh pig brain, 5 parts of asarum and 1 part of buffalo horn powder. The medicine prepared by the invention has the advantages of high effective ingredient content and more reasonable content ratio, the effective ingredient is condensed and refined, the medicine use amount is lowered, a patient can conveniently take the traditional Chinese medicine preparation, the traditional Chinese medicine preparation is convenient to adsorb, and the medicine bioavailability is improved. The traditional Chinese medicine preparation has a reasonable formula, and the prepared medicine keeps the function and the main functions of the original medicine and is verified by the pharmacology and pharmacodynamics. An experiment result shows that the function and the main functions of the traditional Chinese medicine preparation are improved if being compared with those of the original medicine.