The utility model discloses a reinforcement iron tower of power transmission sequence relates to transmission facility technical field. Reinforcement iron tower of power transmission sequence, which comprises a main frame, four the lateral wall both ends in body frame bottom all set up the lug, it prevents climbing the board to articulate between two adjacent lugs, prevent climbing the board and lean on the articulated bracing piece in subaerial one side, the bracing piece includes dead lever and movable rod, dead lever one end is with to prevent climbing the board articulated, the other end passes through threaded connection with the movable rod, movable rod one end sets up the fixed orifices, still including fixing at subaerial fixing base, set up the mounting hole on the fixing base, the protective sheath coaxial with the mounting hole, set up the bolt in fixed orifices and the mounting hole, set up special -shaped nut on the bolt, the dysmorphism nut is located the protective sheath, at least one is prevented climbing one side that the board kept away from ground and sets up the climbing ladder. The utility model has the advantages of its simple structure can effectively prevent the climbing of on -electrical masterpiece industry personnel, and the security performance is high, does not obstruct the climbing of electric power operation personnel simultaneously, and it is nimble convenient to use.