The invention discloses a wormwood pig feed which comprises the following raw materials in parts by weight: 6-8 parts of wormwood, 1-5 parts of honeysuckle leaves, 0.1-0.3 part of RADIX ASTRAGALI, 5-9parts of fine powder of mineral substances, 0.5-1.5 parts of composite vitamins, 10-18 parts of wheat bran, 15-20 parts of rice chaff, 1-2 parts of a plant extract, 4-10 parts of starch, 0.1-0.2 partof a composite enzyme preparation, 7-9 parts of rapeseed bran, 2-4 parts of fish flour, 5-7 parts of carrots, 5-10 parts of corn, 1-3 parts of a composite acidification agent and 0.1-0.2 part of an antioxidant. By adopting the pig feed disclosed by the invention, not only are nutrition requirements of pigs to growth met, but also pig feed digestion intestinal tracts can be improved, digestion andabsorption of nutrition substances can be improved, the disease infection rate can be reduced, and particularly African swine fever can be reduced; and meanwhile, the preparation method disclosed bythe invention is low in material cost, easy in raw material obtaining, clear and simple in process, high in practical value and good in application prospect.