The invention discloses a 10kV centrally installed switchgear partial discharge test work execution holder, a system and a method. The 10kV centrally installed switchgear partial discharge test work execution holder comprises a chassis, a middle part of the chassis is provided with a rotatable pedestal, a telescopic boom is arranged on the pedestal, and a tail end of the telescopic boom is provided with a holding end; a front end of the chassis is provided with a stand column, the top of the stand column is provided with a camera; the chassis is also provided with a battery pack and a controlsystem, and the control system is connected with a camera and controls movement of the pedestal, the telescopic boom and the holding end. With the holder, the system and the method provided by the invention, partial discharge test speed can be uniform and regulatable, discovery of hidden defects of equipment is facilitated, a base for safe and stable operation of a power grid is enhanced, and thelast defense line for human body safety is formed.