The invention relates to the field of traditional Chinese medicines, in particular to a traditional Chinese medicine for treating cardiovascular and cerebrovascular diseases and a preparation method of the traditional Chinese medicine. The traditional Chinese medicine is prepared from the following raw materials of radix salviae miltiorrhizae, radix angelicae sinensis, ligusticum wallichii, radixcyathulae, radix paeoniae rubra, rhizoma corydaradix bupleurilis, radix curcumae, semen platycladi, spina date seeds, calamus, albizia bark, rhizoma gastrodiae, scorpions, earthworms, stiff silkworms,cassia twigs, semen cassiae, rhizoma anemarrhenae, poria cocos, rhizoma alismatis, colla corii asini, tortoise shells, American ginseng, raw radix astragali, raw licorice roots, bighead atractylodesrhizomes, radix scutellariae, rheum officinale, fleeceflower roots, ginseng and radix polygalae. According to the traditional Chinese medicine disclosed by the invention, the compatibility principle of monarch, minister, assistant and guide, a shared unique formula being warm, cool, hot, cold, tonifying, purging, unobstructed and appropriate is adopted, and the traditional Chinese medicine has significant effects on symptoms of cardiovascular and cerebrovascular diseases, and is suitable for coronary heart diseases, angina pectoris, myocardial ischemia, arrhythmia, high blood pressure, low blood pressure, stroke, cerebral thrombosis and atherosclerosis, high in cure rate and free of toxic and side effects.