The utility model provides an inner container box and cold -stored refrigeration device for refrigerating refrigeration device, wherein inner container box includes the case body, is formed with storing space in it, automatically controlled door sets up in the opening part of case body for inner container box opens controllablely or closes, the baffle sets up in storing space for separate storingspace, and the baffle includes: the fixed plate is fixed on the inner wall of case body to extend to the space in the storing space, the fixed plate has the first chamber that holds, at least one pullboard disposes as and slides between the first position that holds the chamber holding to go out in first position and pull in holding the chamber to adjust the baffle between folded state and development condition, thus adjustment storing space's accommodating space. Inner container box's storage space and the flexibility that has improved the inner container box use have been improved to it.