The utility model provides a carriage for transporting cray, includes the carriage body, the carriage body is fixed on truck chassis, this internal backup pad and water guiding board of establishing of carriage, form the water storage space that the cross section is right trapezoid between water guiding board, backup pad and the carriage body, the water pump is established to the bottom in water storage space, a plurality of rows' of top installation of carriage body shower leads to the pipe intercommunication between and the water pump. The utility model discloses the cray transportation carriage of structure can greatly reduce the transportation death rate of cray, improves economic benefits. In addition, along with the reduction of cost of transportation, along with the reduction of thecray transportation death rate, can sell to from the farther area in the place of production, further enlarge the selling market of cray.