PURPOSE: A desensitizing ring structure including a triangular desensitizing strip is provided to desensitize the penis of a male user for reducing the premature ejaculation.CONSTITUTION: A desensitizing ring structure includes a ring unit(1) formed with a soft and flexible material for attaching a triangular desensitizing strip(2). The triangular desensitizing strip includes a concavo-convex unit or protrusions on the inner surface, and a smooth outer surface(4). The desensitizing ring structure additionally includes a size controlling unit(5). The ring unit is located on the penis of a user, and the inner surface of the triangular desensitizing strip contacts the glans.COPYRIGHT KIPO 2012남성의 조루를 방지하거나 감소시키는 장치는 음경 주위에 끼워지는 링과, 음경과 접촉하는 요철면을 갖는 음경에 대하여 고정되는 삼각형 둔감화 스트립을 구비한다. 상기 조루 방지 장치를 착용함으로써 귀두가 둔감해진다.