The utility model discloses a buffer stop for transmission tower, including first casing, second casing, the terminal surface of first casing one side is provided with tapered end no. 1, and the terminal surface of opposite side is provided with fore shaft no. 1, the terminal surface of second casing one side is provided with tapered end no. 2, and the terminal surface of opposite side is providedwith fore shaft no. 2, fore shaft no. 1 with tapered end two -phase adaptation, fore shaft no. 2 with a tapered end looks adaptation, first casing with the second casing passes through the continuoushollow columnar structure of formation of locking Assembly. The utility model provides a pair of a buffer stop for transmission tower, simple structure designs into two casings with this buffer stop,makes it install and remove, change convenience, the maintenance of being convenient for, this buffer stop is hollow columnar structure, can center on the transmission tower column foot for the floater can't enter into this buffer stop's crashproof within range, can protect the transmission tower bottom effectively.