The invention discloses an ultralow-temperature precise intelligent sampling instrument which comprises an ultralow-temperature sample platform arranged at the top of a base, a plurality of sets of
drill pins are movably inserted into the surface of the ultralow-temperature sample platform, an
electric control platform is rotationally arranged on one side of the top of the base, and a U-shaped placement frame is arranged on one side of the
electric control platform through a lifting motor in a vertical moving mode. A clamping mechanism is erected on the top of the U-shaped placement frame through a transmission frame, the clamping mechanism comprises a transmission motor and a pull rod
assembly, and the transmission motor drives the pull rod
assembly to integrally move up and down on one side of the U-shaped placement frame; the two sets of conical clamping blocks are oppositely arranged, the tops of the conical clamping blocks are rotationally arranged at the bottom of the driving side plate through connecting rods, the surfaces of the conical clamping blocks are in an inclined plane shape, and the pull rod
assembly drives the two sets of conical clamping blocks to oppositely rotate and conduct clamping operation on the upper portion of a
drill point; according to the device, automatic clamping, mounting, dismounting and sampling work of the
drill point can be effectively achieved, and the collecting efficiency is improved while labor force is liberated.