The invention relates to an epilepsy therapy capsule and a preparation method thereof. The epilepsy therapy capsule comprises 36 herbs, namely uncaria, rhizoma gastrodiae, alum calcinata, realgar, frankincense, myrrh, polygala, grass-leaved sweetflag, jujube kernels, tuber pinellia, bamboo shavings, citrus aurantium, arisaema cum bile, ligustrum lucidum, schisandra chinensis, cyperus tuber, cinnabar, amber, centipedes, scorpions, muscardine silkworms, white peony roots, keels, oyster, nacre mothers, tuber fleeceflower stems,mulberries, leeches, earthworms, panax notoginseng, cassia twigs, kudzu roots, rhizomes of chuanxiong, safflowers, radix curcumae and liquorice, wherein the tuber fleeceflower stems,the kudzu roots and the liquorice are decocted for 3 times, supernatant fluid is condensed into cream, dried below 60 DEG C and crashed, the other 33 herbs are dried below 45 DEG C and processed into fine powder to be mixed with the herbs and screened to prepare the capsule. The epilepsy therapy capsule is suitable for curing various types of epilepsy and has obvious effect.