The invention discloses a bait additive special for aquatic catfish culture. The bait additive is composed of the following raw materials by weight: 3-8 parts of stevia rebaudiana, 3-8 parts of cassava distiller's grains, 0.75-1.2 parts of asarum, 8-12 parts of bagasse, 5.5-9 parts of probiotics, 4-8 parts of yellow cucumber seed powder, 1-5 parts of tourmaline, 3-7 parts of dry potato vine powder, 2-10 parts of glucose, 2-6 parts of bamboo shavings, 5-9 parts of dried pomegranate peel powder, 2-6 parts of degreased locust powder, 0.1-0.5 part of vitamin C-2-polyphosphate, 2-3.5 parts of cockscomb flower, 4-9 parts of vegetable oil, 2-5.5 parts of aconitum carmichaelii, 2-6 parts of calcium gluconate, 1-5 parts of compound vitamin, 4-9 parts of a magnolia liliiflora extract, 4-9 parts of Houttuynia cordata, and 7-12 parts of fagopyrum dibotrys. The bait additive provided by the invention can cooperate with any fish feed, all the components interact, are more conducive to digestion andabsorption by fish, and the fish meat taste can be more delicious, also the formula o fthe bait additive is composed of pure natural traditional Chinese medicines, is pollution-free and has no influence on eaters, so that eaters can acquire more reassurance.