The utility model relates to a plant cultivation hanging bracket which comprises a hanging rod, a connecting ring, an inclined strut piece and a hanging frame, a hanging piece is arranged at the upperend of the hanging rod, and external threads are arranged at the portion close to the lower end of the hanging rod. A fastening sleeve is arranged in the center of the connecting ring, internal threads are arranged on the inner side face of the fastening sleeve, a circle of ring concentric with the fastening sleeve is arranged on the periphery of the fastening sleeve, short rods are connected between the fastening sleeve and the ring, and the short rods are evenly distributed along the circumference in a radial mode. The hanging frame is arranged to be round and is formed by surrounding a long-strip-shaped frame body, a plurality of protruding fastening chucks are arranged on the four inclined faces of the frame body, and the fastening chucks on the same inclined face are evenly distributed at intervals along the circumference. The hanging bracket is suitable for greenhouse planting, the greenhouse steel frame on the upper portion provides support for the whole hanging bracket, and the support single bodies on the hanging bracket correspondingly support branches of plants respectively. The circular hanging frame and the inclined supporting pieces are matched with the support single bodies, and supporting can be provided for branches in different directions.