The invention discloses a compound feed for 0-21-days-old broiler chicken and a preparation method of the compound feed. The compound feed is prepared from various raw materials of corn, flour, soybean meal, 60% of corn protein powder, soybean oil, limestone, calcium hydrophosphate, salt, antimicrobial peptide for the poultry, choline chloride, methionine, threonine, lysine, compound enzyme of corn and soybean meal, premixed vitamin compound, premix compound of trace elements and traditional Chinese medicine addictives. The preparation method for the compound feed comprises the following steps of: weighing all raw materials; putting the raw materials into a pulverizer to be pulverized; putting the pulverized raw materials into a mixer to be uniformly mixed; and granulating the mixed raw materials in a granulator after mixing. The compound feed has the beneficial effects that the compound feed disclosed by the invention is added with the traditional Chinese medicine addictives, so thatthe compound feed can meet the all nature requirements of the green food, diseases can be prevented, the immunity of the organism is enhanced, and the production performance of the broiler chicken can be improved so as to create favorable social value and economic benefits.