Stacked tray cold chain transport case

The utility model relates to a stacked tray cold-chain transport case, which solves the problems that the existing cold-chain transport case is generally in single-layer close arrangement, is not high in space utilization rate, and cannot adapt to increasingly high transport volume requirements and transfer cost. The device comprises a box body, supporting frames are arranged on the outer walls of the top surface, the bottom surface and the side surfaces of the box body; the supporting frame on the side face of the box body comprises a frame and vertical reinforcing columns, a circumferential support is arranged on the circumference of the upper portion of the supporting frame on the top face of the box body, a tray is arranged below the supporting frame on the bottom face of the box body, a tray frame is arranged on the bottom face of the tray, and the tray frame and the circumferential support which are stacked up and down can be nested and matched inside and outside. The circumferential supports are arrang