An organ model for endoscope, comprising a basic shape part that is formed by imitating the shape of a tubular organ and a tissue holding part that is detachably attached to the basic shape part, wherein: the tissue holding part comprises a main body that is in a tubular shape and provided with a window, the window communicating with the inner space, on the outer peripheral surface and a fixing member fixing a tissue piece (TP), the fixing member being disposed on the main body in such a manner that at least a part thereof overlaps the window and, in the state of being mounted to the basic shape part, the main body is rotatable in the circumferential direction of the main body to the basic shape part.
