A cutting insert (10, 110) with a cutting edge (22a, 22b, 122a, 122b), the cutting insert comprising: two opposite end surfaces (12, 14), a peripheral side surface (16, 116) extending between the two end surfaces (12, 14), and a cutting edge (22, 122) formed at an intersection between one end surface of the two end surfaces (12, 14) and the peripheral side surface (16, 116), wherein one end surface is rotationally symmetric around an axis defined to extend through the two end surfaces (12, 14), said end surface is a horizontal plane orthogonal to the axis which defines a top surface, the insert being characterized by a rake face (24, 124) extending along the cutting edge (22a, 22b, 122) and formed to have a positive rake angle, the rake face (24, 124) comprising a first area (24a, 124a) and a second area (24b, 124b) arranged in order in a direction in which a distance from the cutting edge (22a, 122a) increases, the rake face (24, 124) being formed such that a rake angle (α b) in the second area (24b, 124b) is larger than a rake angle (α a) in the first area (24a, 124a); and a rising wall surface (32a, 132a), on the one end surface, extending so as to form a recess (34, 134a) along the cutting edge (22a, 122a) together with the rake face (24, 124), the rising wall surface (32a, 132a)being formed so as to be divided into two surfaces, a first rising wall surface and a second rising wall surface arranged in order in a direction in which a distance from the cutting edge increases, the second rising wall surface is continuous with the first rising wall surface and positioned at and extending from the top surface; the inclination angle (β a) of the first rising wall surface to the top surface is larger than the inclination angle (β b) of the second rising wall surface to the top surface, so that the rising wall surface as a whole has a convex shape toward the top surface. two opposite end surfaces (12, 14), a peripheral side surface (16, 116) extending between the two end surfaces (12, 14), and a cutting edge (22, 122) formed at an intersection between one end surface of the two end surfaces (12, 14) and the peripheral side surface (16, 116), wherein one end surface is rotationally symmetric around an axis defined to extend through the two end surfaces (12, 14), said end surface is a horizontal plane orthogonal to the axis which defines a top surface, the insert being characterized by a rake face (24, 124) extending along the cutting edge (22a, 22b, 122) and formed to have a positive rake angle, the rake face (24, 124) comprising a first area (24a, 124a) and a second area (24b, 124b) arranged in order in a direction in which a distance from the cutting edge (22a, 122a) increases, the rake face (24, 124) being formed such that a rake angle (α b) in the second area (24b, 124b) is larger than a rake angle (α a) in the first area (24a, 124a); and a rising wall surface (32a, 132a), on the one end surface, extending so as to form a recess (34, 134a) along the cutting edge (22a, 122a) together with the rake face (24, 124), the rising wall surface (32a, 132a)being formed so as to be divided into two surfaces, a first rising wall surface and a second rising wall surface arranged in order in a direction in which a distance from the cutting edge increases, the second rising wall surface is continuous with the first rising wall surface and positioned at and extending from the top surface; the inclination angle (β a) of the first rising wall surface to the top surface is larger than the inclination angle (β b) of the second rising wall surface to the top surface, so that the rising wall surface as a whole has a convex shape toward the top surface.