The invention discloses a compound feed for breeding boars. The compound feed comprises the following components in percentage by weight: 60-66% of corn flour, 3-5% of fish meal, 4-7% of fermented soybean meal, 10-15% of soybean meal, 10-11% of bran, 0.3% of multiple minerals, 0.5% of table salt, 0.04% of multiple vitamins, 0.12% of choline, 1.2% of dicalcium phosphate, 0.02% of phytase, 1.2% of stone powder, 0.12% of lysine, 0.03% of a probiotics compound and 0.5-1.0% of a Chinese herbal medicine compound for producing sperm. The compound feed disclosed by the invention is reasonable in formula design, provides comprehensive balanced nutrition for breeding boars, and creatively provides the Chinese herbal medicine compound for producing sperm, so that difficult problems that the semen quality is reduced and the sexual desire of the boars is poor caused by large sperm collection intensity of the breeding boars are solved; and the Chinese herbal medicine compound for producing sperm has the effects of nourishing the liver, nourishing the kidney, benefitting sperm, replenishing blood, reinforcing the spleen, invigorating the stomach and the like, so that after the breeding boars eat the compound feed, the sexual desire of the breeding boars is strengthened, the sperm viability, the sperm density and the semen volume are obviously improved, and the sperm abnormality rate is obviously reduced.