The invention discloses flour rich in protein. The flour rich in protein is composed of, by weight, 100-110 parts of wheat flour, 20-30 parts of wheat germ flour, 20-30 parts of soybeans, 1-2 parts of Chinese chestnut leaves, 2-3 parts of tomato leaves, 3-4 parts of pericarpium citri reticulatae, 1-2 parts of liquorice, 2-3 parts of ginkgo leaves, 8-10 parts of osmanthus fragrans, 12-16 parts of Chinese toon sprout, 11-15 parts of sea sedge, 20-25 parts of kudzu vine roots, 22-26 parts of cassava, 30-35 parts of Chinese walnuts, 10-15 parts of kulit udang, 1-2 parts of food additives, and appropriate water. According to the flour rich in protein, the wheat flour, the wheat germ flour and the soybean are used as main raw materials, the flour is rich in nutrient, supplements various nutrient elements needed by a human body, and further has the effects of improving the immunity of the organism, delaying senescence of the human body, preventing tumors and the like. The added raw materials are rich in protein, the kulit undang not only is rich in calcium and good protein but also has obvious effects of being anticancer, reducing blood fat and blood pressure and the like. The added Chinese walnuts contain much protein and unsaturated fatty acid which is essential to human nutrition, so that arteriosclerosis is prevented, fatigue and pressure are effectively relieved, and the functions of moistening lung, nourishing vitality, nourishing blood, relieving asthma, moistening dryness, reducing phlegm, removing deficiency-cold and the like are achieved.