The invention provides a traditional Chinese veterinary medicine capable of helping to digest and removing retention. The traditional Chinese veterinary medicine has the characteristics of replenishing qi to invigorate the spleen, helping to digest and removing retention, invigorating the circulation of blood and dissipating stasis, regulating qi and appetizing, having no toxic or side effects and the like; a machining process is simple, the production cost is low and the immunity of poultry and livestock can be effectively improved; pathogenic bacteria are prevented from generating drug resistance and drug residue; and the output of the poultry and the livestock is improved. The traditional Chinese veterinary medicine is characterized by being formed by the following raw materials: myristica fragrans, rhizoma galangae, elecampane, hot pepper, Jianqu, hawthorns, jatamans valeriana rhizome, carrots, pumpkins, silkworm chrysalis, semen agriophylli squarrosi, anemone vitifolia, rhizoma kaempferiae, hawthorn leaves, rice sprouts, endothelium corneum gigeriae galli, malts, dracontomelon duperreanum, yellow cinnamon roots, hericium erinaceus, sea-buckthorn, liquorice, white paeony roots, Chinese yams, dogwood powder, fructus amomi, dried tangerine or orange peel and agastache rugosus. A preparation method comprises the following steps of: drying the traditional Chinese medicines according to a formula ratio and crushing the traditional Chinese medicines into fine powder of 300-400 meshes; uniformly agitating and homogenizing by ultrasounds at 0-10 DEG C for 10-30 minutes; and sub-packaging to form a finished product.