The bean cake was chopped and cooked. After the bean cake residue was filtered, 1% salt was added to the bean cake to feed the rabbit. The effect was very good. After breast-feeding female rabbits, the secretion of milk can be increased by 28%. The growth of the pups is vigorous. The weight of weaning rabbits ranges from 650 to 750 grams, which is 22% more than the introduction of fresh water. The amount of hair-reduced wool is 22.5% higher than that of fresh water, and the hair quality is good. High hair rate. Puppy weaning mortality decreased by 7%. The young male and female rabbits were observed after 10 days of drinking soya cake water, and were densely covered and well-behaved, and breeding at that time was beneficial to the fertility rate of the female rabbit. China Agricultural Network Editor