The present invention discloses a small meat chicken complete compound feed and a preparation method thereof. The complete compound feed is prepared from the following raw materials in parts by weight: 500-600 parts of fresh cassava residues, 1.5-2.5 parts of sodium citrate, 4-5 parts of coconut oil, 2-3 parts of chili sauce, 56-58 parts of cornmeal, 3-4 parts of cortex cinnamomi powder, 17-18 parts of spinach, 5-7 parts of papaya powder, 3-4 parts of chive powder, 15-16 parts of raspberries, 7-8 parts of potato flour, 46-48 parts of wheat bran flour, 34-36 parts of vinegar dregs, 14-16 parts of chicken intestine powder, 3-5 parts of Chinese chive juice, 0.4-0.5 part of candida utilis, 2-3 parts of rhizoma curcumae, 3-4 parts of licorice, 4-5 parts of black sesame powder, and 3-4 parts of emulsified fat. The feed has the characteristics of being good in palatability, strong in disease resistance, nutritious, etc. Compared with the small meat chickens fed by ordinary chicken feeds, the small meat chickens fed by the feed has advantages of being rapid in growth vigor, low in feed consumption, high in survival rate, good in selling appearance, good in manure molding, high in cost performance, etc. The feed is free of antibiotics, environmentally protective, and free of harms to society.