The invention discloses a multifunctional pole maintenance apparatus, mainly comprising a small clamp ring, a large bottom ring and an operating device and also comprising an insert locking mechanism,a leveling mechanism, a tail locking device, a hinging locking device, a feeding mechanism, a lifting driving device, a rocking driving device and the like. The multifunctional pole maintenance apparatus is quick to assemble in situ, quick to calibrate, quick to level and simple to adjust, can automatically spray and number poles and coat them with slogans, allows verticality or inclination of apole to be measured quickly, allows three-phase wires of poles to be quickly abutted and detection data to be quickly acquired, is simple and convenient to disassemble, uses small space after disassembly, is convenient to carry with less time and manpower consumed, and can be operated by a single operator.