The invention discloses a multifunctional stringing pole-erecting machine which comprises a power operation vehicle with a walking chassis, wherein the lower part of the walking chassis is provided with walking wheels, the rear part of the walking chassis is provided with a power mechanism and a driving control chamber, the front part of the walking chassis is provided with a rotary support, the power mechanism is in transmission connection with the walking wheels through a transmission shaft under the walking chassis and a transfer case, the power mechanism is in hydraulic transmission connection with the rotary support, a rotary base is arranged on the rotary support, a pole lifting device is rotatably connected to the rotary base, the lower part of the pole lifting device is provided with a drilling mechanism, and the front end and the rear end of the walking chassis are respectively provided with a foldable front support leg and a foldable rear support leg. The multifunction stringing pole-erecting machine is a power grid stringing construction mechanical device integrating drilling and pole erecting, is integrally of an electrohydraulic control mode, is especially suitable for emergence rush repair when a power grid suffers from natural disasters, and is more suitable for environment with larger pole-erecting operation density in rugged and narrow places and places into which construction vehicles can not enter.