There are provided: a shield projecting portion (4A) being a part of a shield layer (4) of a shield wire (1) projected outside of an exterior covering (5) to be exposed; an annular member for grounding (10, 10A, 10B) disposed in a position surrounding an outer circumference of the shield wire (1) and including a housing chamber (12, 22) having an opening (13) along an annular shape of the annular member for grounding and being configured to house the shield projecting portion (4A) and a ground wire (7) inserted from the opening (13); and a push-in member (20, 20B) inserted from the opening (13) and housed in the housing chamber (12, 22) after insertion of the ground wire (7) and the shield projecting portion (4A) to bring the shield projecting portion (4A) and the ground wire (7) into close contact with each other.