The invention provides an integrated sampling and detecting device, comprising: a detector (1)； a test strip holder (7), detachably provided in the detector (1)； a collector (3), detachably contained in the detector (1)； a faeces sample piece (4) and a cushion block (5), configured to detachably seal the collector (3)； and a piercing part (14), provided on a bottom surface (10) of the detector (1) and configured to pierce the collector (3), wherein the test strip holder (7) and the collector (3) are contained in the detector (1) side by side, the collector (3) is located between the test strip holder (7) and the detector (1), a first outer side face (31) of the collector (3) is adjacent to an inner side wall of the detector (1), a second outer side face (32) of the collector (3) is adjacent to the test strip holder (7), and a horizontal cross-section of the piercing part adapts to a bottom surface (10) of the collector (3).
