Abstract: In order to make the UHV double-circuit transmission lines run safer and more reliable, a scheme was proposed for neighboring tension tower’s coordination with multi-band grounding wires on double-circuit tangent tower by taking the SZC301 double-circuit tangent tower and SJC301 double-circuit tension tower of one domestic 1 000 kV AC transmission line project as a case study. The influence of different arrangement and combination of “I” string and“V” string of double-circuit tangent towers were synthetically analyzed on the interval between conductor and multi-band lightning wires. If the “V” string is hung up in the middle cross-arm on double-circuit tangent tower, and one lightning wire is hung up in the lower cross-arm, the static lightning protection shielding angle of the middle outer sub-conductor and lower outer sub-conductor on the tower head will be reduced by 11°and 15° respectively, and the dynamic lightning protection shielding angle of the three (upper, middle and lower)-phase outer sub-conductors are -11°and -20°and -9° respectively, which has effectively reduced the influence of the terrain slope on shielding failure rate.