A sun umbrella rod comprising a rod body (1), wherein the rod body (1) is configured to be tubular; a decorative surface (11) is arranged on a side surface of the rod body (1), a decorative plate (2) is arranged at a position where the rod body (1) corresponds to the decorative surface (11), and the rod body (1) is divided into a reinforcing section and a supporting section in the transverse direction; the decorative surface (11) is located at the supporting section, and the inner side of the reinforcing section is provided with reinforcing ribs; a light-emitting body is arranged on the decorative surface (11) and/or the decorative plate (2); through arranging a detachable decorative plate (2) on the outer side of the rod body (1), a mass production is achieved; the decorative plate (2) may be selected to match with the rod body (1) according to actual needs, namely, changing the decorative elements according to different application scenarios such that a low cost is achieved.