The present invention discloses zinc-rich Chinese herbal medicine pig feed, and the pig feed relates to a formula including: 20-30 parts by weight of rice bran, 20-30 parts by weight of soybean meal,20-30 parts by weight of bran, 20-30 parts by weight of corn, 20-30 parts by weight of barley, 5-10 parts by weight of squid powder, 5-10 parts by weight of pork liver powder, 5-10 parts by weight ofoyster shell powder, 5-10 parts by weight of radix codonopsis, 5-10 parts by weight of Chinese magnoliavine fruits, 5-10 parts by weight of chrysanthemum flowers and 5-10 parts by weight of cassia seeds. A preparation method of the pig feed includes the following steps: Step 1, selecting materials; Step 2, crushing the selected materials; and Step 3, evenly mixing and stirring the materials; thereby obtaining the pig feed. Comparing with the prior art, Chinese herbal medicine ingredients are added into the pig feed by adopting the above-mentioned technical scheme: due to the addition of the Chinese herbal medicine ingredients, toxic and side effects of the pig feed are small, so that the safety of pork is guaranteed; for pork pigs fed with the pig feed of the invention, organic zinc in thepig body can be effectively improved; and after people eat the pork of the pork pigs fed with the pig feed of the invention in the daily life, human body immunity can be effectively improved, blood vessels can be dilated, and significant effects can be achieved in the treatment of all kinds of cardiovascular and cerebrovascular diseases caused by hypertension.