Carp is an omnivorous fish, but the adult carp mainly feeds on plant food. The stems, leaves, buds and fruits of vascular aquatic plants are the favorite food of crucian carp, diatoms and some algae are also the food of crucian carp, shrimps, earthworms, young snails, insects and so on, which they also love to eat. The feeding time of crucian carp varies according to the seasons. Spring is the peak feeding season, day and night are constantly feeding; summer feeding time for the morning, evening and night; fall all-day feeding; winter is around noon feeding.

It is said that corn or white dough without any additives pinched into the size of a grain of rice and thrown, the carp will not struggle but will not hesitate to swallow rarely spit out. Buns, millet can also be.