Portable cold storage box for blood test samples

The utility model provides a portable cold storage box for blood test samples, which relates to the technical field of cold storage boxes, and comprises a box body, the top end of the box body is rotatably connected with a sealing cover, the top end of the sealing cover is fixedly provided with a handle, and four sides of the interior of the box body are fixedly provided with heat preservation cotton. A metal net is fixedly installed at the bottom end of the interior of the box body, a storage box is arranged at the bottom end of the metal net, a containing groove is formed in the storage box, and a partition plate is fixedly installed in the middle of the containing groove. According to the cold storage box, through the design of the storage box made of heat preservation cotton, the heat insulation layer is arranged at the bottom end of the cold storage box, so that high temperature of a table top cannot enter the storage box, ice blocks in the storage box cannot be melted, the ice blocks can be stored for a