The invention relates to the field of pig feed, in particular to pig feed capable of improving the meat quality, and a preparation method thereof. The pig feed capable of improving the meat quality mainly comprises the following raw materials: corns, bean pulp, oat, fish meal, rapeseeds, fructus forsythiae, honeysuckle flowers, cyrtomium fortune, radices sileris, radix bupleuri, astragalus membranaceus, bighead atractylodes rhizome, poria cocos, dried orange peel, Chinese angelica, white paeony root, dandelion, motherwort, purslane, codonopsis pilosula and feed additives. The feed additives comprise glycerol monolaurate, calcium propionate, amino acid and sodium molybdate. The pig feed capable of improving the meat quality, which is provided by the embodiment of the invention, has multiplefunctions of reinforcing the vital essence and strengthening the primordial qi, regulating physiological function, improving immunity, resisting inflammation, resisting bacteria, resisting viruses and the like through the proportioning of nutritional substances, pharmacological substances, amino acid and various cereals, increases absorption and utilization of nutritional components by pigs and enables the meat to be delicious.