The invention discloses nutrient kelp wheat germ powder and a preparation method thereof. The nutrient kelp wheat germ powder is characterized by being prepared from the following materials in parts by weight: 300-350 parts of wheat germ powder, 1-1.3 parts of sweet basil, 1.3-1.6 parts of dried lime leaves, 0.8-1.2 parts of lotus plumule, 1.3-1.5 parts of boat-fruited sterculia seeds, 2-2.2 parts of Chinese cabbage roots, 1.6-1.8 parts of jagged-leaved oak seeds, 1.4-1.7 parts of rhoeo spathacea leaves, 5-6 parts of oatmeal, 7-8 parts of garlic, 30-40 parts of bananas, 90-100 parts of kelps, 7-8 parts of watermelon juice, 10-12 parts of grape wine, 10-11 parts of puffed corn powder and 5-6 parts of nutrition additives. According to the invention, preparation process is excellent, and the prepared wheat germ powder is good in mouthfeel and has popularization and application value; moreover, the wheat germ powder is mixed with faint scent of vegetables and fruits, and savory and mellow flavor of the grape wine, so that the whole mouth is full of sweet smell after taking the wheat germ powder. Besides, the nutrient kelp wheat germ powder has effects of removing heat from the liver and improving eyesight, invigorating the stomach and lubricating the intestines, and clearing away heat and toxic materials, and is environmental-friendly healthcare food.