A foldable hanging basket includes a hanger and a hanging basket body. The hanging basket body is suspended on the hanger by a sling chain. The hanging basket body comprises a hanging basket chair and a lifting frame assembly. The lifting frame assembly comprises a main frame and several auxiliary frames. The main frame and the several auxiliary frames are arranged in intervals, a lower border of the main frame is hinged and matched with a front border of the hanging basket chair, and two ends of each of the several auxiliary frames are successively hinged and matched with borders on both sides of the hanging basket chair. The main frame and the auxiliary frames may be rotated and folded in a plane of the hanging basket chair.