Method for high-density breeding of crayfishes by utilizing vacancy time of ricefield eel pond

The invention discloses a method for high-density breeding of crayfish by utilizing vacancy time of a ricefield eel pond. The method comprises the following steps: preparing a pond environment, selecting a pond with the maximum water depth of 2-2.5 m, arranging an independent water inlet and an independent water outlet, and arranging an escape-proof fence at the periphery of the pond; cleaning the pond, digging out excessive sludge, and killing wild fishes and shrimps; erecting a net cage; a crayfish attachment frame is arranged; a bait table is arranged, the bait table is in a circular truncated cone shape, the bait table is suspended 15-20 cm below the water to be used for observing the position of bait, and the bait table is only put on the outer side of the net cage; transplanting aquatic plants; putting young shrimps; feeding management; catching: catching crayfish with the weight exceeding 20g according to the individual size of the crayfish and marketing the crayfish. The method for high-density breedi