The invention relates to a carp feed and a preparation method thereof. The carp feed is prepared by blending wheat middling, corn germ meal, rice bran, bean pulp, cottonseed meal, DDGS, rapeseed meal, pea albumen powder, fish meal, hemocyte albumen powder, meat meal, edible oil, calcium biphosphate, choline chloride 50%, special complex enzymes for aquatic products, special premix for carps and vitamins. By strictly selecting the raw materials and reasonably preparing the formula, the invention has balanced and comprehensive nutrition, strong pertinence and good luring property and stability, and can greatly improve the speed of growth of carps. Simultaneously, the advanced Zhengchang production equipment in China is adopted, and production processes are improved, thereby furthest preventing nutrient substances from being damaged by high temperature. Moreover, the product has the advantages of low cost, high efficiency, stable quality, convenient storage and no adverse side reaction.