The utility model provides an installation tool for bird repelling device, includes the insulator spindle, the one end and a power transmission shaft threaded connection of insulator spindle, and the power transmission shaft top is provided with square connecting portion, and square connecting portion can be dismantled with the sleeve and be connected, but a power transmission shaft and a support cover swivelling joint support the bottom fixed connection who overlaps with the backup pad, and the top of backup pad is provided with a strong magnet piece. The utility model discloses simple structure, it is small, lightly portable. The utility model discloses a strong magnet piece is used for rightting and drives the bird ware, and with the sleeve cooperation, the bolt -up that will drive the bird ware is in the position of needs installation, saves time that it is laborsaving to save labour, and is safe swift.