Excrement sample collecting device

The utility model relates to the field of medical equipment. The excrement sample collecting device comprises a box body, the stool sampling chair comprises a chair back, a chair seat, a support frameand a sampling part for stool sampling, wherein the chair seat is fixedly mounted on the support frame; the chair back is fixedly mounted at the rear end of the support frame; a moving part is arranged at the bottom of the support frame; an excrement receiving part for receiving excrement is arranged at the bottom of the chair seat; an accommodating groove is formed in the excrement receiving part; a notch is formed in the chair seat; an excrement receiving cover completely matched with the notch is arranged in the notch, one end of the excrement receiving cover is hinged to the front end ofthe chair seat, a through hole is formed in one side of the excrement receiving portion, a sealing component for sealing the through hole is arranged in the through hole, the sampling component is detachably fixed to the excre