A treatment tool for an endoscope according to the present invention includes: an outer sheath (10) to be inserted into a channel of an endoscope (1) a forcep sheath (11) which is movably arranged in the outer sheath (10) along an axial direction a plurality of forcep cups (13) which are attached to a distal end of the forcep sheath (11), at least one of which is formed with a sharp needle-shaped portion (12) on a distal end, and which cooperate with each other to be openable/closable as a whole an operation wire (14) which is movably arranged in the forcep sheath (11) along an axial direction, and is connected to the forcep cups (13), and which opens/closes the forcep cups (13) when moved in its axial direction a first operation portion (31) which is movably attached along an axial direction of a proximal end of the outer sheath (10), and is connected to a proximal end of the forcep sheath (11) and a second operation portion (32) which is movably attached to the first operation portion (31) along an axial direction of the proximal end of the forcep sheath (11), and is connected to a proximal end of the operation wire (14).
