The invention relates to the field of livestock and particularly relates to a feed composition. The feed composition is composed of following components in mass by percentage: 1%-2% of linoleic acid and residual amount of a basal feed, wherein the basal feed comprises corns, soya bean meal, wheat bran, soybean oil, mountain flour, calcium hydrogen phosphate, table salt and the like; serial formulas of the feed are matched with pigs in different growth phases so that the good quality of fork is guaranteed.