There is provided a cleaning/disinfecting tube that is connected to an opening portion of an object to be cleaned and used to supply a liquid through the opening portion in an endoscope cleaning/disinfecting apparatus, the cleaning/disinfecting tube allowing the entire opening portion to be immersed in the liquid without falling off the opening portion. The cleaning/disinfecting tube allows the opening portion provided in the object to be cleaned accommodated in a cleaning tank of the endoscope cleaning/disinfecting apparatus to communicate with a liquid delivery connector which is provided in the endoscope cleaning/disinfecting apparatus and through which a liquid is supplied. The cleaning/disinfecting tube includes a tube connector section to be connected to the opening portion and a holding portion that engages with the object to be cleaned with a gap therebetween and constrains the movement of the tube connector section in a direction away from the opening portion when the tube connector section is connected to the opening portion.
