The invention relates to a preparation method of a Chinese medicinal preparation for treating hyperlipidemia, and belongs to the technology field of Chinese medicine preparation methods. The currently used blood lipid reducing medicines for treating hyperlipidemia are easy to cause adverse reactions. For example, etofibrate may induce upper abdominal fullness, pruritus, and so on. The preparation is prepared from processed Cyperus rotundus, Aucklandia lappa, Lindera aggregata, Citrus reticulata, Citrus reticulata, Fructus Aurantii Immaturus, Magnolia officinalis, Fructus Amomi, Fructus Amomi Rotundus, Radix Et Rhizoma Nardostachyos, Cortex Citri, Salvia miltiorrhiza, Ligusticum chuanxiong, Semen Persicae, Carthamus tinctorius flower, Lycopus lucidus, Radix Curcumae, Curcuma longa, Corydalis yanhusuo, Trogopterus xanthipes dung, Olibanum, Myrrha, Dalbergia odorifera, Astragalus membranaceus, Atractylodes macrocephala, Rhizoma Polygonati, Gossypium herbaceum root, Herba Bidentis Tripartitae, Crataegus pinnatifida, Massa Medicata Fermentata, Hordeum vulgare sprout, Setaria italica sprout, gizzard membrane of Gallus gallus domesticus, Radix Et Rhizoma Rhei and Radix Glycyrrhizae by the steps of soaking the above raw materials in 1,300 mL water for 30 min, decocting with mild fire, and filtering the obtained decoction with gauze to remove residues. The preparation has the advantages of stable therapeutic effect, low recurrence liability, and no side effects.