A controller for a vacuum suction type urine collector comprising: a state detection circuit comprising: a pair of electrodes for installation on the side of a urine receiver on a vacuum sucked-urine path extending from the urine receiver via a urine transport tube to a urine tank; a detection resistor connected in series to said electrodes; a resistance measuring means for measuring the resistance between said electrodes; and a manual operation switch connected in parallel to the series circuit consisting of the electrodes and the detection resistor; the state detection circuit being operable in use to automatically detect urine, and to actuate a vacuum suction device based on said measured resistance, the controller being characterised in further comprising: a classifying means for classifying the resistance measured by the resistance measuring means as a corresponding one of established multiple resistance classes; a class storing means for storing the corresponding resistance class; a class change detecting means for detecting the change of class by comparing the corresponding resistance class identified by the classifying means with the corresponding resistance class stored in the class storing means; an action mode setting means for setting the action mode in reference to the change of class detected by the class change detecting means and to the state of the manual operation switch detected from the resistance measured by the state detection circuit; and a control operation means for controlling the vacuum suction device on the basis of the set action mode,. a state detection circuit comprising: a pair of electrodes for installation on the side of a urine receiver on a vacuum sucked-urine path extending from the urine receiver via a urine transport tube to a urine tank; a detection resistor connected in series to said electrodes; a resistance measuring means for measuring the resistance between said electrodes; and a manual operation switch connected in parallel to the series circuit consisting of the electrodes and the detection resistor; the state detection circuit being operable in use to automatically detect urine, and to actuate a vacuum suction device based on said measured resistance, a pair of electrodes for installation on the side of a urine receiver on a vacuum sucked-urine path extending from the urine receiver via a urine transport tube to a urine tank; a detection resistor connected in series to said electrodes; a resistance measuring means for measuring the resistance between said electrodes; and a manual operation switch connected in parallel to the series circuit consisting of the electrodes and the detection resistor; the state detection circuit being operable in use to automatically detect urine, and to actuate a vacuum suction device based on said measured resistance, the controller being characterised in further comprising: a classifying means for classifying the resistance measured by the resistance measuring means as a corresponding one of established multiple resistance classes; a class storing means for storing the corresponding resistance class; a class change detecting means for detecting the change of class by comparing the corresponding resistance class identified by the classifying means with the corresponding resistance class stored in the class storing means; an action mode setting means for setting the action mode in reference to the change of class detected by the class change detecting means and to the state of the manual operation switch detected from the resistance measured by the state detection circuit; and a control operation means for controlling the vacuum suction device on the basis of the set action mode,. a classifying means for classifying the resistance measured by the resistance measuring means as a corresponding one of established multiple resistance classes; a class storing means for storing the corresponding resistance class; a class change detecting means for detecting the change of class by comparing the corresponding resistance class identified by the classifying means with the corresponding resistance class stored in the class storing means; an action mode setting means for setting the action mode in reference to the change of class detected by the class change detecting means and to the state of the manual operation switch detected from the resistance measured by the state detection circuit; and a control operation means for controlling the vacuum suction device on the basis of the set action mode,.