This creation is a kind of pet necklace, comprising: one first fastener, one second fastener and a neck ring belt. First fastener and the second fastener are arranged at the both ends of neck ring belt, and this neck ring belt can be made of belt or synthetic plastic. First fastener includes: a fastener body, a fastener frame, a prominent fixing piece, a upright fixing piece, a sleeve member, a lantern ring and several bolts hole. Second fastener includes: a fastener body and two bolts hole. When in use, in one of the several jacks front end of the protrusion fixing piece of the first fastener being placed in neck ring belt, and the second fastener is made to pass through hollow upright fixing piece with neck ring belt and position, around necklace system what pet neck. The advantage of this creation is, first fastener can be firmly fixed on what neck ring belt with bolt, many times Hou is being used for a long time to avoid known techniques necklace, and one end, which often pulls neck ring belt by what retaining ring, to be made it become to relax, fall off, the missing and disadvantage of even fracture.本創作為一種寵物用項圈，包括：一第一扣件、一第二扣件、以及一項圈帶。第一扣件與第二扣件設置在項圈帶之兩端，且此項圈帶可由皮帶、或合成塑膠製成。第一扣件包括：一扣件本體、一扣件框、一突出固定件、一直立固定件、一套筒件、一套環、以及數個螺栓孔。該第二扣件包括：一扣件體與兩個螺栓孔。在使用時，將第一扣件之突出固定件之前端置入項圈帶中之數個插孔之一中，並使第二扣件與項圈帶穿過中空之直立固定件而定位，將項圈繫於寵物脖子周圍。本創作之優點為，可以將第一扣件以螺栓牢固地固定於項圈帶上，以避免習知技術項圈在長久使用許多次後，其一端由於扣環經常拉扯項圈帶使其變得鬆弛、脫落、甚至斷裂之缺失與缺點。
