The invention discloses a new traditional Chinese medicine composition for treating liver ascites symptoms and a preparation method thereof. The traditional Chinese medicine composition is mainly prepared from the following medicine components: cassia twig, tuckahoe, rhizoma alismatis, Plantain seed, fiveleaf akebia, Lobelia, mulberry bark, climbing fern spore, broom cypress fruit, lysimachia, talcum, notopterygium root, ledebouriella root, acanthopanax bark, orientvine, cinnamon, clove, pangolin, dried orange peer, immature bitter orange, nut grass, rhubarb, hemlock parsley, magnolia bark, Chinese yam, white atractylodes rhizome, semen raphani, japanese sweetflag, bush-cherry seed, angelica glabra, Evodia rutaecarpa, galangal, allium macrostemon, Semen Euryales, pyrrosia lingua, ricepaperplant and oriental wormwood. The traditional Chinese medicine composition can be prepared into any commonly-used oral preparation by using the conventional traditional Chinese medicine preparation method. The invention can obviously improve the symptoms of abdominal distention, ascites, difficulty in walking, and probable obvious diaphragm elevation with expiratory dyspnea and exomphalocele before the ocurrence of ascites. Some patients possibly have the symptoms of hydrothorax, increased portal venous pressure, increased hydrostatic pressure abdominal visceral vessel beds, hypoalbuminemia diseases, excessive lymphogenesis, secondary hyperaldosteronism, reduction of renal blood flow, sodium output and urinary output and the like. The traditional Chinese medicine composition has exact and obvious clinical curative effect and high efficiency. By basically combining edible and pharmaceutical products specified in the national pharmacopoeia, the traditional Chinese medicine composition has the advantages of low cost, no toxic or side effects and the like.