Packing box for express delivery of crabs

The utility model relates to the technical field of express packaging boxes, in particular to an express packaging box for crabs, which comprises a crab express box and a sealing top cover, a crab placing box for placing the crabs is arranged in the crab express box, and an ice bag placing box for keeping the crabs at low temperature is arranged at the bottom of the crab placing box. According to the crab storage box, crabs are arranged and placed in the crab arranging and placing grooves which are of a slope structure with one side higher than the other side and the gradient structure with the other side lower than the other side, so that the crabs are arranged and arranged in sequence, and accumulation of the crabs is prevented; the ice bag placing boxes are communicated and connected through the first through holes formed in the bottoms of the crab arrangement placing grooves, so that the bottoms of crabs are kept low, the temperature in the boxes is evenly distributed, the low-temperature storage effect i