A shielding wire including: an inner wire part having at least a first and a second conductor, wherein each of at least the first and the second conductor is covered by an insulator; and a metal foil shield member having a metal foil and being provided outside and in direct contact with the inner wire part, and a sheath provided outside the metal foil shield member, wherein the metal foil shield member is formed in the shape of a sheet and wound by one round or more on an outer periphery of the inner wire part such that the metal foil envelops the inner wire part, when a central axis of the inner wire part arranged in the direction of the first and second conductors is C1 and central axes which intersect at right angles in the vertical direction to the central axis C1 and pass through the centers of the first and second conductors are C2 and C3, respectively, the first conductor is divided into two semicircles by axis C2 and the second conductor is divided into two semicircles by axis C3, and one end of the metal foil shield member is located on the semicircle of the first conductor which is facing away from the second conductor, and the other end of the metal foil shield member is located on the semicircle of the second conductor which is facing away from the first conductor such that the metal foil shield member is in direct contact with the outer peripheral surfaces of the insulators only at the two semicircles, characterized in that both ends of the metal foil shield member in wire terminal sides are folded back outside the sheath to form ground connecting parts, and in that each of the ground connecting parts is configured so that an underlay ring of a shield case is insertable inside a folded back part of the metal foil shield member formed by said ground connecting part and in that a caulking ring is configured to be externally fitted outside the folded back part of the metal foil shield member. an inner wire part having at least a first and a second conductor, wherein each of at least the first and the second conductor is covered by an insulator; and a metal foil shield member having a metal foil and being provided outside and in direct contact with the inner wire part, and a sheath provided outside the metal foil shield member, wherein the metal foil shield member is formed in the shape of a sheet and wound by one round or more on an outer periphery of the inner wire part such that the metal foil envelops the inner wire part, when a central axis of the inner wire part arranged in the direction of the first and second conductors is C1 and central axes which intersect at right angles in the vertical direction to the central axis C1 and pass through the centers of the first and second conductors are C2 and C3, respectively, the first conductor is divided into two semicircles by axis C2 and the second conductor is divided into two semicircles by axis C3, and one end of the metal foil shield member is located on the semicircle of the first conductor which is facing away from the second conductor, and the other end of the metal foil shield member is located on the semicircle of the second conductor which is facing away from the first conductor such that the metal foil shield member is in direct contact with the outer peripheral surfaces of the insulators only at the two semicircles, characterized in that both ends of the metal foil shield member in wire terminal sides are folded back outside the sheath to form ground connecting parts, and in that each of the ground connecting parts is configured so that an underlay ring of a shield case is insertable inside a folded back part of the metal foil shield member formed by said ground connecting part and in that a caulking ring is configured to be externally fitted outside the folded back part of the metal foil shield member.