The invention discloses a lifting ladder special for tree clipping and belongs to the field of electric power ascending tools. The lifting ladder comprises a first lifting frame and a second lifting frame. The first lifting frame and the second lifting frame are each provided with a lifting transmission mechanism. The lifting transmission mechanism of the first lifting frame is connected with a first lifting platform, and the lifting transmission mechanism of the second lifting frame is connected with a second lifting platform. The first lifting platform is connected with the second lifting platform in a separable manner. The lifting ladder is mainly used for clipping trees under wires, the safety performance is greatly enhanced, the workload of workers is reduced, and the working efficiency of tree clipping is improved.