The invention discloses a wheat germ cake rich in anthocyanin and a preparation method of the wheat germ cake. The wheat germ cake is characterized by being prepared from the following raw materials in parts by weight: 200-210 parts of wheat germ, 1-1.2 parts of American ginseng, 0.8-1 part of semen cassia, 0.3-1 part of bighead atractylodes rhizome, 1.5-1.8 parts of olivary nucleus, 1.3-1.5 parts of dandelion, 1-1.2 parts of phlomis mongolica, 1.3-1.4 parts of pygmaeopremna merr, 10-11 parts of pimiento, 4-5 parts of fragrant-flowered garlic, 5-6 parts of leaf mustard, 30-35 parts of corn starch, 15-20 parts of grenadine juice, 100-110 parts of solanum tuberdsm, 140-150 parts of black rice, 20-25 parts of rice wine, 0.1-0.2 part of lactic acid bacteria and 5-6 parts of nutrition additive. The wheat germ cake provided by the invention is crispy on the outside and soft on the inside, integrates the fragrance and sweetness of the black rice and the rice wine and the piquancy of the pimiento when maintaining the nutrition and flavor of the wheat germ, and is reasonable in formula so as to be proper in sweetness and piquancy; the mouth feel of the wheat germ cake can be remarkably improved due to the added corn starch; in addition, the wheat germ cake also has the effects of reducing blood sugar, resisting tumors, tonifying the kidney and improving the eyesight, invigorating the spleen and supplementing qi.