The utility model relates to an earth connection auxiliary device is installed and removed to insulator spindle, it includes the detachable insulating bar body, set up and install the ground wire device that hangs on the insulating bar body at the metal head and the interval on insulating bar top, the insulating bar body is the body of rod under the going up of threaded connection, neutralization,go up, on the well body of rod respectively the interval set up two and hang ground wire device, ground wire device is hung and folding the installation on the last body of rod and the well body of rod can be dismantled, the utility model discloses a first, second pinch -off blades and a fixing bolt fasten the lantern ring, like this can be convenient dismantle and adjust the position that hangsground wire device to hanging ground wire device, when finishing using the utility model discloses afterwards, through transferring the 2nd adjusting nut of pine, upwards or downwards the folding bodyof rod to with corresponding is parallel with the connecting rod, and then tightens the 2nd adjusting nut, practices thrift the space, the utility model discloses simple structure, reasonable in design, convenient operation avoids earth connection and paripheral zone electric installation collision accident to take place. When installing and removing the earth connection, can also prevent that the influence electricity from hurting sb. 's feelings.