The invention relates to a special feed for improving immunity of baby rabbit of rex rabbit. The feed comprises the ingredients of, by weight: 19-25 parts of corn flour, 10-12 parts of soybean meal, 8-12 parts of peanut straw, 6-10 parts of sweet potato powder, 7-11 parts of fine rice bran, 3-5 parts of buckwheat kernel, 1-5 parts of golden buckwheat, 0.7-1.6 parts of amino acid, 2.1-2.8 parts of calcium hydrogen phosphate, 4-6 parts of red peony, 2-5 parts of sophora japonica powder, 1-6 parts of wolfberry, 1-3 parts of hawthorn fruit, 1-2 parts of lily, 1.5-2.5 parts of codonopsis pilosula, 1.2-1.6 parts of rehmannia glutinosa and 1-2 parts of common yam rhizome. Based on the method, the feed has the advantages that the ingredients are less, the preparing method is simple. By mixing the Chinese medicinal materials such as wolfberry, hawthorn fruit, lily, codonopsis pilosula, rehmannia glutinosa and common yam rhizome, the feed can improve immunity of baby rabbit of rex rabbit, and reduce the mortality of baby rabbit in the process of growth.