The utility model belongs to the electricity testing device technology field, and especially relates to a 750kV movable electricity testing platform used for the high voltage alternating current electricity testing detection. The 750kV movable electricity testing platform includes a pedestal support, a pedestal lower plate, and a pedestal upper plate. The pedestal lower plate is fixed on the upper end of the pedestal support. The pedestal lower plate is provided with truckles on the lower face. The pedestal upper plate is fixed on the pedestal lower plate via a supporting frame. The pedestal upper plate is welded with sleeves. The periphery of the pedestal upper plate is provided with guardrails. The bottom of the pedestal lower plate is provided with the truckles which adopt universal rollers and are provided with dual-brake devices. The 750kV movable electricity testing platform is used for the 750kV alternating current electricity testing detection, and can be served as a support for other electricity testing detections.