The invention discloses bait suitable for fishing a wild carp in a water reservoir by virtue of a single hook. The bait disclosed by the invention is characterized by being prepared from the following components in parts by weight: 15-20 parts of wheat, 50-80 parts of crude wheat flour, 5-10 parts of fried wheat flour, 15-30 parts of puffed corn flour, 2-3 parts of blood worm powder, 2-5 parts of lima bean powder, 5-10 parts of cooked sweet potato pulp, 0.1-0.2 part of clove, 0.2-0.8 part of nard and right amount of water. The bait suitable for fishing the wild carp in the water reservoir by virtue of the single hook mainly adopts natural raw materials and can easily attract the wild carp in the water reservoir to rise to the bait, and the bait disclosed by the invention also can be taken as homing material when the wild carp is fished.