The invention belongs to the technical field of medicine, and relates to a Chinese medicinal composition, in particular to a Chinese medicinal composition for treating chronic alcoholic toxic liver disease and a preparation method thereof. Aiming at the current technological defects that the chronic alcoholic toxic liver disease cannot be treated comprehensively and effectively and chemical treatment has the defects of high relapse rate and discontinuous curative effect, the Chinese medicinal composition for treating or preventing the chronic alcoholic liver toxic disease comprises the following components in parts by weight: 10 parts of corydalis tuber, 15 parts of fourstamen stephania root, 6 parts of virgate wormwood herb, 10 parts of glossy privet fruit, 10 parts of Szechuan lovage rhizome, 6 parts of Chinese angelica, 20 parts of sophora flower, 20 parts of tribulus terrestris, 10 parts of Chinese thorowax root, 12 parts of baikal skullcap root, 15 parts of baikal skullcap root, 30 parts of cassia twig, 6 parts of Indian buead and 10 parts of liquoric root. The Chinese medicinal composition has a very good treatment effect on the chronic alcoholic toxic liver disease, and has a remarkable clinical popularization value.