The invention discloses a red bean, lotus seed and fish flavored black bean cake. The red bean, lotus seed and fish flavored black bean cake consists of the following raw materials in parts by weight: 100-120 parts of black beans, 8-10 parts of edible gelatine powder, 4-5 parts of edible oil, 5-6 parts of malt sugar, 15-20 parts of red beans, 8-12 parts of lotus seeds, 20-30 parts of fish stock, 4-6 parts of villous amomum fruit powder, 5-8 parts of chickpea powder, 2-3 parts of dried yeast powder, 1-2 parts of casein powder, 20-25 parts of naked barley flour, 7-9 parts of silverweed cinquefoil root powder, 6-8 parts of fishbone mash, and an appropriate amount of water. The red bean, lotus seed and fish flavored black bean cake is prepared through the following steps: firstly, frying the black beans, soaking the fried black beans, and grinding the soaked black beans into powder, so that the fragrance of the black beans can be stimulated, and the running off of nutrient elements can be reduced; and mixing gelatin with the black bean powder, and puffing the gelatin and the black bean powder which are mixed. The black bean cake is tasty and refreshing when being eaten, and does not have the crude mouth feel of general coarse food grain products; the black bean powder is coated with the gelatin, so that the protein in the black bean powder can be prevented from entering the stomachs to cause coacervation due to the action of gastric acid, so that the digestion of foods is facilitated.