The invention provides a veterinary medicine composition capable of relieving a cough. The veterinary medicine composition capable of relieving the cough is a preparation prepared from the following raw materials in parts by weight: 50-70 parts of platycodon grandiflorum, 50-70 parts of folium eriobotryae, 25-35 parts of liquorice and 1.5-3.5 parts of vitamin C. The invention also provides a preparation method and application of the veterinary medicine composition capable of relieving the cough. The veterinary medicine composition capable of relieving the cough has the advantages that a good cough relieving effect can be realized only by combining three traditional Chinese medicines, namely platycodon grandiflorum, folium eriobotryae and liquorice, with vitamin C, the curative effect is obvious, sick pigs can rapidly restore to the best state, the veterinary medicine composition is quick in effect taking, the prescription and the compatibility are precise and appropriate, the cost is low, and a new choice is provided for clinical medication.