The invention discloses a feed for feeding cage-culturing abalones, comprising fish meal, soybean meal, kelp, monocalcium phosphate, brewer's yeast, undaria pinnatifida, choline chloride, spirulina, abalone premix, wheat gluten and water. The feed is prepared by crushing, mixing, stirring, pelletizing, tabletting and the like. The culture experiments prove that the feed disclosed herein can satisfy all nutritional demands of the cage culturing process of abalones, can adapt to the cage-culturing environment, and can be stable in water for 48-72h; the cultured abalones have normal and bright body color which is close to a wild body color; by using the feed, the cultured abalones grow fast, the conversion rate of the feed is high, the cultivation benefit is good, the immunity function and anti-stimulation can be obviously enhanced, the activity is good, the amount of organic residues in excrement is effectively reduced, and the water quality of the abalone culturing area is effectively improved.