Shrimp and crab multi-variety mixed culture method

The invention discloses a shrimp and crab multi-variety mixed culture method. The shrimp and crab multi-variety mixed culture method comprises the following steps that (a), a culture pond is built; (b), the culture pond is cleaned and disinfected in winter; (c), during February to March of the next year, aquatic plants are planted in the culture pond; and (d), before the end of March, juvenile crabs and freshwater shrimp seeds are stocked in the culture pond, after 7-10 days, silver carps and bighead carps are stocked in the culture pond, the freshwater shrimps are fished from late April to late June, in the first ten days of July, macrobrachium rosenbergii species are stocked in the culture pond, the river crabs are fished from late September to late October, after fishing of the river crabs is completed, mowing is carried out, and macrobrachium rosenbergii is fished. The river crabs and the macrobrachium rosenbergii are mainly cultured in the culture pond, mixed culture of the freshwater shrimps, the silver