Crayfish is an omnivore. In the early stage, it is mainly fed with cooked soybean milk, and can also be fed with small miscellaneous fish and snail meat. In the later stage, animal feeds such as fresh miscellaneous fish, earthworms, internal organs of livestock and poultry, plant feeds such as bean cake, bran and corn, and special feeds for shrimp can be fed, and the feeding amount is subject to satiety and no residual bait. It can be fed twice a day regularly and at a fixed point, once in the morning and once in the evening.