An object of the present invention is to provide (i) a cryopreservation solution which can be used for cryopreserving umbilical cord blood, peripheral blood, and a component containing hematopoietic stem cells derived from any one of these types of blood and which has characteristics suitable for various utilization forms and (ii) use of the cryopreservation solution. In a cryopreservation method in accordance with the present invention, a cryopreservation solution containing a cryoprotectant and glucose is mixed with umbilical cord blood or peripheral blood, and a mixture thus obtained is frozen.
