Signal tower body repairing equipment comprises a base, four fixed parts, two welding parts, a steel tube storing part, a steel tube moving part, and a flying part. The signal tower body repairing equipment is characterized in that the upper end of a first telescopic sleeve of the four fixed parts is fixedly connected with fixed seats of the four fixed parts correspondingly; four slide strips of the two welding parts are slidably mounted in four second dovetail grooves correspondingly, and two first gears are engaged with two second racks correspondingly; two clamps of the flying part are mounted in a clamping seat of the flying part correspondingly; six second stepping motors of the flying part drive six propellers and further drive the equipment to fly, two seventh steering engines adjust angles of two third triangle plates and further adjust the flying direction of the equipment, so that flying of the aircraft is achieved, and the aircraft can rapidly reach to the position where repairing is needed, and the repairing efficiency is improved.