A clip device for an endoscope of the present invention comprises an outer tubular body 70； an inner tubular body 80 provided in the outer tubular body 70； a line member 50 placed in the inner tubular body 80； and a pinching part 20, for holding an indwelling clip, connected to a distal side of the line member 50； wherein the pinching part 20 has two pinching base plates 30a and 30b, a blade part 40a is provided at a distal end of the pinching base plate 30a and formed toward an inside of the pitching base plate 30a, a blade part 40b is provided at a distal end of the pinching base plate 30b and formed toward an inside of the pinching base plate 30b, a Young's modulus of the blade part 40a is smaller than that of the pinching base plate 30a, and a Young's modulus of the blade part 40b is smaller than that of the pinching base plate 30b.
