The invention relates to a grounding wire rod and more specifically relates to a multi-angle grounding wire rod which comprises an insulation rod, a fixed frame, a first fixed rod, a clamping head, asecond fixed rod and a rotating part, wherein one end of the second fixed rod is connected with the clamping head, the other end of the second fixed rod is fixedly connected with the rotating part, the rotating part is in rotary connection with one end of the first fixed rod, the first fixed rod is arranged at the top end of the insulation rod through the fixed frame, and a limiting mechanism which is used for limiting the rotating part to rotate relative to the first fixed rod is further arranged on the rotating part. According to the multi-angle grounding wire rod disclosed by the invention,an angle between the insulation rod and the clamping head of the grounding wire rod can be changed, so that the grounding wire rod can be suitable for varieties of work occasions, and multiple typesof grounding wire rods are prevented from being purchased. The multi-angle grounding wire rod disclosed by the invention has the advantages of simple structure, convenience in operation for operatorsand ability in effectively reducing production cost.