Sample processing system

The invention discloses a sample processing system, the sample processing system comprises a workbench, and a test tube conveying mechanism, a test tube operation mechanism and a transfer mechanism arranged on the workbench, the workbench is provided with a test tube conveying channel and a sample placing station, the test tube conveying channel comprises a test tube operation station and a sampling station, and the sample placing station comprises a sample placing station and a sample placing station; the sample placing station is used for placing a reagent rack with a sample placing slot position; the test tube conveying mechanism is used for enabling the test tubes storing samples to move along the test tube conveying channel; the test tube operating mechanism is used for uniformly shaking and/or uncapping the test tubes positioned at the test tube operating station; the transfer mechanism comprises a moving assembly and a sampling arm module arranged on the moving assembly, and the sampling arm module at