The invention relates to a bean dregs shrimp cake and a preparation method, the shrimp cake comprises the following raw materials by weight: 200-220 parts of peeled shrimp, 1-2 parts of licorice, 2-2.4 parts of prunella vulgaris, 1.3-1.7 parts of lotus plumule, 0.9-1 part of reddish orange, 2-2.2 parts of bitter gourd flower, 1.8-2 parts of sophora davidii, 1.5-2 parts of diplospora dubia, 4-5 parts of tomato, 5-6 parts of grape, 5-6 parts of pistachio, 0.8-1 part of soybean oil, 70-80 parts of bean dregs, 8-9 parts of fish roe, 8-9 parts of condensed milk, 15-20 parts of corn flour, 0.1-0.2 parts of lactic acid bacteria and 7-8 parts of nutrition additive. The shrimp cake has gold color, good mouthfeel and abundant nutrition; the added bean dregs contains abundant protein, food fiber and mineral matters such as calcium, phosphor and iron, can reduce the cholesterol content in blood, and prevent intestinal cancer; the condensed milk and tomato can increase the vitamin C content. In addition, a plurality of Chinese herbal medicines are added, so that the shrimp cake has the efficacy of strengthening spleen and benefiting qi, clearing liver and improving eyesight, reducing blood pressure and strengthening heat, and harmonizing stomach.