Cooling device used in stem cell cryopreservation process

The utility model discloses a cooling device used in a stem cell cryopreservation process, which comprises a machine frame, a container for bearing dry ice is arranged in the machine frame, a fan is arranged on the side face of the machine frame, an air guide pipe is connected between the fan and the bottom of the container, an end cover is arranged at the upper end of the container, and the end cover is arranged at the lower end of the container. The end cover is conical, the diameter of the end cover is gradually reduced upwards, a pipeline for supplementing dry ice is obliquely and upwards arranged on the outer wall of the end cover, the pipeline extends out of the rack and then is matched with a pipe cover, and two guide rail rods are arranged at the inner top of the rack in a left-right parallel mode; according to the device, the human body can be prevented from making contact with dry ice, the cooling capacity of the dry ice can make uniform contact with the stem cell storage tank in an air blowing mode