The invention discloses a novel Chinese medicinal composition for treating cardiac failure and a preparation method thereof. The Chinese medicinal composition of the invention mainly comprises the following raw material medicaments: kudzu-vine root, tangerine peel, green tangerine peel, immature bitter orange, costustoot, cyperus rotundus, szechwan chinaberry fruit, aspongopus, Chinese eaglewood, cassia bark, medcinal evodia fruit, lesser galangal rhizome, szechuan lovage rhizome, yanhusuo, danshen root, sanchi, turmeric root-tuber, curcuma longa, frankincense, myrrh, safflower, peach seed, motherwort herb, twotooth achyranthes root, common burreed rhizome, zedoary, mix-fried pangolin scales, ginseng, American ginseng, raw raidx astragali, pilose asiabell root, white paeony root, common yam rhizome, Chinese angelica, storax, toad venom, grassleaf sweelflag rhizome, borneol, camphor, musk, Chinese caterpillar fungus, cherokee rose fruit, desertliving cistanche, radix rehmanniae preparata, tuber fleeceflower root, root of straight ladybell, barbary wolfberry fruit, mix-fried turtle shell, mix-fried tortoise plastron, agastache and villous amomum fruit. The Chinese medicinal composition of the invention can be prepared into a normal oral preparation by the common Chinese medicament preparation method. The Chinese medicinal composition can obviously improve tireness and hypodynamia, decompensation, chest distress and dyspnea, cough, wheezing, limb oedema, jugular vein distention and inappetence, and has exact and obvious curative effect and quick response. The Chinese medicinal composition of the invention basically adopts medicinal and edible medicaments specified by the National Formulary to carry out combination, thus, the Chinese medicinal composition has the advantages of low price, basically no toxic or side effects and the like.