Biological sample refrigerating and centrifuging device

The utility model discloses a biological sample refrigerating and centrifuging device which comprises a machine shell, a centrifugal pump, a centrifugal pump, a centrifugal pump, a centrifugal pump and a centrifugal pump, wherein the front side of the machine shell is provided with a start-stop operation key and the rear side is provided with a power supply connecting end; the inner cavity is formed in the machine shell, and a centrifugal machine body is arranged in the inner cavity; the upper cover is arranged on the inner cavity, and the rear end of the upper cover is hinged to the machine shell. The refrigeration equipment is arranged in the machine shell; the cold air conduction assembly is arranged on the outer wall of the inner cavity and conducts a cold source generated by the refrigeration equipment to the inner cavity, and then heat transfer is conducted between the inner cavity and a test tube on the centrifugal machine body. The centrifugal machine can solve the problem that the activity of a biolo