Sample processing device and sample analyzer

The utility model discloses a sample treatment device and a sample analyzer. The sample treatment device comprises a shell, a driving assembly and a reagent bearing assembly, the reagent bearing assembly is used for bearing a sample and located in the shell, a rotating shaft of the driving assembly penetrates through the shell to be connected with the reagent bearing assembly, and the driving assembly is used for driving the rotating shaft to rotate so as to drive the reagent bearing assembly to rotate relative to the shell; the shell comprises an inclined plane mechanism, a closure groove, a liquid channel and a collection mechanism, the inclined plane mechanism is located at the bottom in the shell, the inclined plane mechanism is rotationally connected with the rotating shaft, the inclined plane mechanism extends towards the side wall of the shell with the rotating shaft as the highest position to form an inclined plane, and the closure groove is formed in the inclined plane to collect liquid flowing on th