The invention discloses a veterinary oral liquid with scourge-clearing and detoxifying effects and a preparation method thereof. The veterinary oral liquid comprises the following raw materials in parts by weight: 25 to 40 parts of radix rehmanniae, 40 to 60 parts of fructus gardeniae, 40 to 50 parts of radix scutellariae, 30 to 50 parts of fructus forsythiae, 25 to 40 parts of radix scrophulariae, 30 to 50 parts of
radix isatidis, 30 to 50 parts of
honeysuckle flower, 20 to 30 parts of honey-fried radix stemonae, 20 to 35 parts of
white mulberry root
bark, 10 to 15 parts of rhizoma paridis, 10 to 13 parts of
cyrtomium rhizome, and 10 to 15 parts of liquorice root. The veterinary oral liquid with heat-clearing and detoxifying effects has the advantages that the effects of resisting
bacteria and
virus, strengthening and fixing
body resistance, clearing heat and detoxifying, replenishing and activating blood, invigorating Qi and tonifying
spleen, promoting
appetite, promoting growth, and improving
immunity of body are realized; the effects for
livestock and poultry with ditemper and scourge
toxin are unique; the effect of treating
livestock and poultry diseases caused by
virus or
bacteria is obvious, and the easiness in
precipitation is avoided; the effective ingredients in
traditional Chinese medicine are furthest extracted, and the economic benefit is improved.