Specimen refrigeration preservation box

The utility model provides a specimen refrigerated preservation box, which comprises a preservation box body and a preservation box cover hinged on one side of the preservation box body, a refrigerating system and a temperature and humidity sensor are arranged on the inner wall of the preservation box body, and a control panel and a control button are arranged on the outer wall of the preservation box body. A specimen storage assembly is arranged in the preservation box body, and a specimen placement assembly is detachably connected in the specimen storage assembly; the specimen placing assembly comprises a tray and a supporting rod, a plurality of specimen placing rings which are coaxially and integrally arranged are sequentially arranged outwards along the axis of the supporting rod, a plurality of specimen placing holes which are uniformly distributed are formed in the specimen placing rings, and the specimen placing rings are arranged along the outward direction of the axis of the supporting rod. Accordin