The invention provides a feed for preventing and treating swine dysentery. The feed comprises the following components in percentage by weight: 35% of corn, 30% of rice bran, 15% of ox bone meal, 10% of argy wormwood leaves, 0.5% of table salt and 9.5% of a Chinese herbal medicine additive. According to the feed for preventing and treating swine dysentery disclosed by the invention, the corn and the rice bran are used as main raw materials, and the argy wormwood leaves and the ox bone meal are also added, so that the feed is balanced and comprehensive in nutrients. The ox bone meal has the efficacy of strengthening bodies and adding fat, and can effectively promote growth; the argy wormwood leaves can obviously increase the daily gain of pigs and improve the feeding efficiency. The feed also contains the Chinese herbal medicine additive, and the Chinese herbal medicine additive comprises various Chinese herbal medicines of Chinese pulsatilla roots, rhizoma coptidis, cortex phellodendri, radix scutellariae, cinnamon, semen myristicae, costus roots, medicine terminalia fruits, radix angelicae sinensis, licorice roots, eupatorium japonicum, fructus ailanthi altissimae and the like, is reasonable in compatibility, achieves the efficacy of invigorating spleen-stomach, replenishing qi, resisting bacteria, diminishing inflammation, relieving diarrhea and relieving dysentery, effectively strengthens the immunity of pig bodies, and is prominent in prevention and treatment effect on the swine dysentery. The feed disclosed by the invention is green, purely natural and free from antihormones, not only can prevent the swine dysentery, but also can improve the meat quality of pigs, and can notably improve the mouth feel.