A medical tube including a flexible tube-shaped main body, a hub connected to the proximal portion of the tube-shaped main body, and a strain relief member supported at a distal portion of the hub. The strain relief member surrounds a predetermined portion of the proximal portion of the tube-shaped main body. The tube-shaped main body includes a flexible portion which possesses increased flexibility for bending. The flexible portion includes at least one groove extending in a circumferential direction in the outer circumferential surface of the tube-shaped main body over a predetermined range in an axial direction of the tube-shaped main body from a position distal of the distal-most end of the strain relief member to a position proximal of the distal-most end of the strain relief member.
