To provide a compact type of equipment with less noise by which stool of a person receiving care can be processed surely without the persons unpleasant sensation regardless of stools nature, reducing the load on the person receiving care. In the processing equipment of excretory substances, the suction circulation tube is led to the cooling unit outside the device house box from the discharge side of the suction motor and cooled down by heat exchange with outer air inside the cooling unit, and then returned to the return box unit. The defecation sensor comprises a sensor which detects stools hardness to control in order to vacuum up at the setting with the higher suction power for signals of harder stool. The urination sensor comprises a sensor which has two contact points to calculate a necessary suction power according to the degree of the signals and control. Moreover, the suction motor, cooling fan, and filter inside the suction motor unit are covered by highly rigid vibration-suppression material processed by vibration preventive material, placed on vibration preventive board, and held with suspension by the vibration preventive spring.
