The invention discloses a feed for cow. The feed consists of the following components: silage, corns, soybean meal, rapeseed meal, wheat bran, brewer's grain, citric acid, fermented green tea leaves, soybean oil, calcium carbonate, calcium hydrogen phosphate, magnesium sulfate, oleum morrhuae, sodium selenite, potassium iodide, edible salt, glutamine, selenium yeast, sodium diacetate, sodium butyrate, phenylacetic acid, benzoic acid, astaxanthin, oligosaccharide, celastrus orbiculatus, azadirachta indica, monkshood, fiveleaf akebia fruit, red dates, radix codonopsis, tetrapanax papyriferus, akebiaquinata and perilla frutescens. The invention further provides a processing method for the feed for cow. The feed for cow, which is provided by the invention, contains various mineral substances; the immunity of organs is enhanced, and the effects of promoting growth of the cow and improving the producibility of the cow can be achieved; and a traditional Chinese herbal mixture has the effects of clearing away heat and toxicity, activating blood, promoting lactation, expanding a blood vessel, tonifying kidney, benefiting qi, tonifying spleen and enhancing the immunity of the organs.