PROBLEM TO BE SOLVED: To provide an endoscope cleaning device with which, when the inside of a tube of an endoscope is cleaned, a cleaning head does not block up the tube.SOLUTION: The endoscope cleaning device comprises: a cleaning head 21 which is compressable due to elastic deformation and which removes stains inside a tube of an endoscope by being pressed against an internal surface of the tube by a restoring force in response to the elastic deformation a holding part 31, which has a length capable of pulling the cleaning head 21 inside the tube and is structured in a diameter smaller than a predetermined compression diameter of the cleaning head 21, and which holds the cleaning head at a first end 34 and is inserted into the tube from a second end to pull the cleaning head 21 and a separation part 41, which when the cleaning head 21 is inserted into a tube with a diameter smaller than the predetermined compression diameter of the cleaning head, separates the cleaning head 21 from the whole or part of the holding part 31.SELECTED DRAWING: Figure 2COPYRIGHT: (C)2017,JPO&INPIT