Cryopreservation rack

The utility model provides a cryopreservation frame, relates to biological sample cryopreservation technical field, including cryopreservation box, frame body and cold accumulation block, the cryopreservation box is installed on the frame body in sliding mode, the cryopreservation box is provided with the containing cavity that is used for placing the cryopreservation tube and has the upper opening, the cryopreservation box is used for relative frame body slide to make part of cryopreservation tube in the containing cavity be located outside the frame body, and the cold accumulation block is located in the containing cavity. A cold storage block is arranged at the end, used for sliding out of the frame body, of the cryopreservation box. According to the scheme, the containing cavity of the cryopreservation box is used for containing the cryopreservation tubes, the cryopreservation box is arranged on the frame body so that the cryopreservation tubes in the cryopreservation box can be in a low-temperature envir