The invention discloses a nutritive feed capable of promoting chicken feathers to be glossy and bright and a preparation method of the nutritive feed. The nutritive feed is prepared from the following raw materials in parts by weight: 500-600 parts of grape seed dregs, 2-3 parts of a yeast extract, 8-10 parts of papaya protein powder, 18-21 parts of calabash gourd leaves, 34-36 parts of dracocephalum moldavica, 25-27 parts of gynura bicolor herb, stems or leaves, 124-148 parts of linseed dregs, 13-15 parts of Chinese wolfberry fruit paste, 45-48 parts of towel gourd seed dregs, 53-56 parts of locust bean residues, 3-4 parts of fumaric acid, 35-37 parts of hibiscus flowers, 14-15 parts of potato powder, 4-7 parts of loquat fruit powder, 0.4-0.6 part of active lactic acid bacteria, 8-10 parts of streaky pork, 0.5-0.6 part of curry powder, 18-22 parts of rice flour, 18-20 parts of wall-broken yeast powder, 5-7 parts of white fungus powder and 2-4 parts of emulsified fat. After the feed disclosed by the invention is fed to chickens, the color of the chicken feathers can be gorgeous and bright, the appearance characteristics of the chickens are outstanding, the appearances are good, the dung shaping property is good, and the ornamental value is increased.