The utility model relates to a high voltage isolator contact connection anticreep device, two fixed supporting insulator on the base, the both sides fixed limiting plate respectively of base, fixed earthing knife -switch on the limiting plate, supporting insulator's top be equipped with ground connection and touch the finger, ground connection is equipped with the terminal on touching the finger, the earthing knife -switch of the connection base bottom of finger is touched to ground connection, indicate to connect through main contact, main touching between two supporting insulator, main contact, main touching be equipped with anticreep rotary mechanism between the finger, the beneficial effects of the utility model are that: isolator configuration design is pleasing to the eye, the occupation of land scope is little, the mounting means is nimble, the convenience, and through setting up anticreep rotary mechanism, rotator and fixed physical stamina on the anticreep rotary mechanism enough realize relative rotation, prevents to receive external force to influence and causes main contact, main slippage between the finger, the improvement security performance touched.