The present invention relates to a device for freezing a germ cell and, more specifically, to a device for freezing a germ cell, comprising: a germ cell maintaining unit; a storage unit; a refrigerant inflow and outflow unit; a protrusion unit; and a tagging unit. The frozen germ cells according to the present invention can provide remarkably excellent germ cell retention ability in comparison with a conventional device with a simple configuration and low cost.;COPYRIGHT KIPO 2017
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