The invention relates to flour containing traditional Chinese medicine health-care components and a preparation method of the flour. The flour is characterized by being prepared from the following rawmaterials in parts by weight: 300-350 parts of flour, 30-50 parts of corn flour, 10-12 parts of radix rehmanniae, 3-5 parts of poria cocos, 2-3 parts of rhizoma alismatis, 3-5 parts of asiatic cornelian cherry fruits, 6-9 parts of Chinese yams, 2-3 parts of cortex moutan, 1-2 parts of chrysanthemums, 10-12 parts of Chinese wolfberry fruits, 3-5 parts of green tea, 2-3 parts of Chinese chestnut leaves, 2-3 parts of prunus humilis bunge leaves, and 2-3 parts of pseudostellaria maximowicziana. The raw materials contain components of a traditional Chinese medicine namely pills of six drugs with rehmannia, and besides, the chrysanthemums, the Chinese wolfberry fruits, the green tea and the like are added, so that the formula has the effects of nourishing kidney yin, clearing and reducing deficient fire and improving immunity, has a certain function of removing toxicity, can prevent mutation, can be eaten for a long term, and is beneficial for human health.