Intelligent cold chain storage repository

The invention discloses an intelligent cold chain storage repository which comprises a repository body, a changeover mechanism arranged in the repository body and a storage-retrieval mechanism, wherein a storage chamber and a transfer chamber are arranged in the repository body; transverse guide rails and first refrigeration units are arranged in the transfer chamber; second refrigeration units, a plurality of vertical guide rails and a plurality of storage racks positioned on two sides of the vertical guide rails are arranged in the storage chamber; first electric guide rails are arranged at the sides of the vertical guide rails; second electric guide rails are arranged on vertical moving units of the storage-retrieval mechanism; a first electric brush is arranged at one end of each vertical moving unit; a second electric brush is arranged at the other end of each vertical moving unit. The intelligent cold chain storage repository provided by the invention is safe and reliable for storage, quick and accurate for positioning and convenient for storage and retrieval, and greatly facilitates the storage of criminal evidences for ministry of public security.