A composition and a method for treating hyperlipidemia caused by excessive consumption of lamb. The composition comprises in various parts: root of anhwei barberry, folium isatidis, garden erphorbia herb, aster ageratoides, Vietnamese sophora root, codonopsis ianceolata, all-grass of snakefoot clubmoss, apanese stephania root, amur barberry root, thymifoious euphorbia herb, puff-ball, meadowrue root and rhizome, cottonrose hibiscus flower, common lantana leaf, herba orostachyos, Japanese dock root, pubescent holly root, Chinese brake herb, fruit of tree-of-heaven ailanthus, Chinese iris seed, European verbena herb, datura seed, wild buckwheat rhizome, filliform cassytha herb, fig, radix cynanchi atrati, bittersweet herb, Chinese pulsatilla root, spreading hedyotis herb, figwort root, herb of hygrometric boea, radix ardisiae crenatae, sowthistle tasselflower herb, weeping forsythia, roughhaired holly root, tree peony bark, membrane of chicken gizzard, carrot, medicated leaven, and radix glycyrrhizae. The method comprises weighing each herb, blending them into water and soak, boiling the mixture, and filtering the residue.