The utility model relates to a double tower formula electric power tower's anti -bird device, including two the same single towers, every single tower includes the semicircular cutting ferrule, the semicircular cutting ferrule of two single towers relative and put and is constituted cylindrical whole, with power pole body parcel wherein, the semicircular cutting ferrule passes through the metal clamp to be fixed on the power pole body, lower limb department system at the semicircular cutting ferrule has outwardly strutting's hemisphere to be preced with the face, the holistic spherical crown face of each other butt joint constitution of hemisphere hat facial features of two single towers, outside system at hemisphere hat face has three horn shape tower faces, there is vertical decurrent installation strake along department's system under the both sides of three horn shape tower faces, the installation strake passes through the bolt fastening on two cross arm beam's side elevation. The utility model discloses prevent birds nest on electric power tower to it because of the failure interruption that the bird's nest caused, has promoted and has joined in marriage net safety and service reliability to solve distribution overhead line.