Clamping device and sample processing system

The utility model discloses a clamping device and a sample processing system.The clamping device is applied to the sample processing system, the sample processing system comprises a workbench, and the clamping device comprises a base, a clamping jaw and a driving assembly; the clamping jaw comprises two clamping blocks which are oppositely arranged, and the two clamping blocks are arranged on the base in a sliding mode and can form a clamping space in a spaced mode; the driving assembly is arranged on the base and is in driving connection with the clamping jaw, so that the two clamping blocks get close to or away from each other in the first direction; the workbench is provided with a mounting hole, the clamping block is arranged above the mounting hole, and the driving assembly and the base are arranged below the mounting hole. According to the technical scheme, the occupied area and the space volume of the clamping device on the workbench of the sample processing system can be reduced, and the volume of the