Detecting method and device for analysing component of many kinds of urine at same time are provided. A flowing cell 232 arranged in a testing part 206 of a urinal body 202, urine coming from collecting part 204 of the urinal body 202 via flowing path to the flowing cell 232, the discharged from non exit tube 238. A lid 203 set in the collecting part 204, when collecting urine cleaning the collecting part 204 and the flowing cell 232, opening the lid 203 according to an instruction coming from a control part 218. A sensor part 216a is set in the collecting part 204, and a solenoid valve 210 set in flowing path between the collecting part 204 and the flowing cell 232, and a solenoid valve 212 set in flowing path between the flowing cell 232 to the discharge pipe 238. |