The utility model relates to a high pressure test pincers arm, telescopic insulator spindle is connected through rotatable elbow type connector and high pressure test pincers manipulator, pliers mount welding that the mechanical handbag of high pressure test pincers draws together horizontal bracing piece, is connected with horizontal bracing piece and with a pliers mount welding articulated pliers rotating turret welding, be equipped with fixed finger respectively and pull movable the finger in pliers mount welding and the welding of pliers rotating turret, be equipped with first floodgate line hole on the horizontal bracing piece, be equipped with the floodgate beans on the pliers rotating turret welding piece, unable adjustment base installs on telescopic insulator spindle and is equipped with second floodgate line hole, and a handle frame welding both ends are connected with handle and unable adjustment base respectively, the one end of floodgate line is connected on handle frame welding piece, and the other end passes through second floodgate line hole, rotatable elbow type connector and first floodgate line hole in proper order, fixes at last on the floodgate beans. The utility model discloses work efficiency can be improved greatly, reliable guarantee is provided for testing personnel's safety.