The utility model relates to a special artifical shrimp nest of three -dimensional procambarus clarkii belongs to the technical field that grows seedlings of the economic shrimps of fresh water. It includes end plate and calandria, calandria one end is connected with the end plate, the calandria is become by a plurality of root canal subunits, and the position of corresponding every root canal isopened and is had the round hole on the end plate. Calandria quantity is 5 rows, goes up certainly to the lower quantity of every calandria be 8, 9, 10, 11, 12 in proper order, becomes wholly throughwelded connection. The utility model discloses use the biological bed that floats and to cultivate aquatic plant not of the same race in the pond of growing seedlings, both can regard as the hidden thing of close shrimp and shrimp seedling, have the ecological function of improvement simultaneously, be favorable to improving the survival rate of close shrimp, shrimp seedling and the output of growing seedlings.