The invention relates to a full-automatic excrement and secretion detector. The full-automatic excrement and secretion detector comprises an operating table, a sample box, a conveying rail, a barcode printer, a quantitative diluting device, a stirring device, a volume measurement device, a sampling and analyzing device, a diluent tank, a cleaning fluid tank and a waste liquid tank, wherein the conveying rail, the barcode printer, the quantitative diluting device, the magnetic stirring device and the volume measurement device are arranged on a first layer of the operating table, the sampling and analyzing device is distributed on the first layer and a second layer of the operating table, and the diluent tank, the cleaning fluid tank and the waste liquid tank are arranged on a third layer of the operating table. The full-automatic excrement and secretion detector has the advantages of good operating environment, high biochemical safety, high detection speed, accurate detection result and the like.