The invention discloses a lamb milk-replacing feed and a production method thereof. The feed comprises the raw materials in parts by weight: 250-300 parts of soybean flour, 180-200 parts of sorghum flour, 150-180 parts of a fermentation composite material, 60-80 parts of alfalfa flower, 50-60 parts of a milk powder, 10-15 parts of a red date powder, 5-8 parts of trehalose, 20-35 parts of yogurt, 12-15 parts of butter, 2-3 parts of fructus aurantii immaturus, 1-2 parts of radix aucklandiae, 1-2 parts of cortex fraxini, 2-3 parts of cortex albiziae, 2-3 parts of cucurbita pepo, 3-4 parts of okra, 2-3 parts of chondrus ocellatus, 15-20 parts of glutinous rice wine, 30-50 parts of a whey powder, and 20-30 parts of a feed attractant. The feed has the refined, fine, fragrant and crisp characteristics, is comprehensive and balanced in nutrition and good in palatability, can promote coordination balance of beneficial flora and enzyme system development in lamb gastrointestinal tracts; lambs like to eat the feed, are large in feed intake, fast in weight gaining and strong in bodies, do not get sick, are early in slaughter day, and have no ablactation stress phenomenon. The feed is reasonable in design, fine in production, and worthy of popularization.