An automatic urine collecting device (1) is provided with: a main tank (20) for collecting and containing urine received by a urine receiver a body case for supporting the main tank (20) a suction pump (53) for sucking the urine, which is received by the urine receiver, into the main tank (20) through a urine flow path by sucking air within the main tank through an airflow path a urine sensor for detecting urine and a control device for outputting a control command on the basis of the result of the detection by the urine sensor. The urine sensor is provided with a main-tank infrared sensor (S31) capable of detecting bubbles present in the upper part of the urine contained in the main tank (20). The configuration enhances the reliability of the suction pump.
