The invention relates to a Chinese herbal medicine oral liquid for treating acute paratyphoid fever of piglets. The Chinese herbal medicine oral liquid is prepared from the following material medicines in parts by weight: 5-6 parts of radix bupleuri, 5-6 parts of dahurian patrinia herbs, 4-5 parts of gentian, 4-5 parts of wild chrysanthemum flowers, 3-4 parts of rehmannia glutinosa, 2-3 parts of tree peony barks, 2-3 parts of roots of common peony, 2-3 parts of scutellaria baicalensis, 1-2 parts of coptis chinensis and 1-2 parts of liquorices. The Chinese herbal medicine oral liquid disclosed by the invention is used for treating acute paratyphoid fever of piglets, and has the characteristics of low cost, high cure rate, good effect, no toxic and side effect and the like, and is safe and convenient to use.