Hairy crab rapid propagation device

The utility model provides a hairy crab rapid propagation device which comprises an aquaculture pond, foundation piles, a fixing mechanism and a heat preservation film, pond side sand lands are arranged on the two sides of the aquaculture pond, grooves are formed in the symmetrical positions of the surfaces of the pond side sand lands on the two sides respectively, the foundation piles are buried in the grooves, and the foundation piles are fixedly buried in the pond side sand lands through soil. Fixing mechanisms are fixedly connected above the foundation piles, a heat preservation film covers the aquaculture pond, and the two sides of the heat preservation film are fixedly connected with the foundation piles through the fixing mechanisms on the two sides of the aquaculture pond respectively. The foundation piles and the fixing mechanisms are additionally arranged, the heat preservation film is arranged above the culture pond in a covering mode, the heat preservation film is fixedly connected with the founda