The invention discloses electric power tower maintenance equipment with good heat dissipation performance. A supporting body of the maintenance equipment comprises a shell and a movable guide rod, wherein a clamping block which is used for clamping a guide post is arranged on the shell, gripping blocks which are used for gripping the guide post are arranged on the top and at the bottom of the movable guide rod respectively, a lifting cylinder is arranged between the clamping block and the bottom gripping block of the movable guide rod, a locking bolt is arranged on the clamping block, a locking cavity is formed in the bottom gripping block of the movable guide rod, a driving motor is arranged in the locking cavity, an eccentric wheel is arranged on a main shaft of the driving motor, a supporting cavity is formed in the shell, and a heat dissipation through hole which communicates with a heat dissipation through cavity is formed in the side wall of the movable guide rod. The electric power tower maintenance equipment has the advantages of simple structure, convenience in operation, good stability in use, strong applicability and good practicability. Additionally, the invention further discloses a use method of the electric power tower maintenance equipment with the good heat dissipation performance. The operation method disclosed by the invention has the advantages of simplicity, convenience, strong applicability and wide application range, and the use stability is greatly increased.