The invention discloses stomach-invigorating fish meat steamed stuffed bun and a preparation method of the bun. The stomach-invigorating fish meat steamed stuffed bun comprises the following raw materials in parts by weight: 750-850 parts of flour, 100-150 parts of yam powder, 90-100 parts of coix seed powder, 60-100 parts of hawthorn powder, 450-550 parts of weever, 150-200 parts of dried beancurd sticks, 300-400 parts of fatty meat, 80-150 parts of moringa leaves, 3-5 parts of pericarpium citri reticulatae, 3-6 parts of trigonotis peduncularis, 2-4 parts of Fujian medicated leaven, 2-3 parts of wheat malt, 2-3 parts of coptis chinensis, 3-5 parts of chestnut leaves, 80-90 parts of sweet potato starch, 50-60 parts of green onion dices, 30-50 parts of mashed ginger, 20-35 parts of yellow rice, 30-40 parts of mature vinegar, 25-30 parts of soybean sauce, 5-10 parts of salt, 2-4 parts of monosodium glutamate, 4-8 parts of yeast powder and a proper amount of water. According to a formula, in the raw materials of the steamed stuffed bun, the weever is rich in nutrition and has the effects of nourishing liver and kidney and invigorating spleen and stomach, the moringa leaves not only enables the taste to be fresh and spicy but also has the effects of improving strength, invigorating stomach and resisting oxidation, yams, coix seeds and hawthorns all have the functions of invigorating spleen and nourishing stomach, extracting liquid of the Fujian medicated leaven, the wheat malt and the pericarpium citri reticulatae are mixed with a dough, and the beneficial ingredients have the effects of invigorating spleen-stomach, replenishing vital energy, invigorating spleen and stomach and improving appetite; the steamed stuffed bun prepared by the method is delicious, oily but not greasy and rich in nutrition, has the functions of invigorating spleen, nourishing stomach and improving appetite, and is suitable for sub-healthy crowd with poor appetite, anorexia and apepsia.