The invention discloses an energy-saving illuminated bridge guardrail which comprises vertical frames, cross rods and fixed bases which are sequentially arranged at intervals, wherein the vertical frames are vertically arranged on the fixed bases respectively, the cross rods are respectively connected between tops of adjacent vertical frames, a power generation panel is arranged between two adjacent vertical frames, a solar power generation device is respectively arranged on each of the front side and reverse side of the power generation panel, and a spring is connected between the top of the power generation panel and a cross rod. The energy-saving illuminated bridge guardrail also comprises a plurality of storage batteries which are respectively connected with the solar power generation device, the storage batteries are respectively arranged on the vertical frames, and energy-saving lamps connected with the corresponding storage batteries are also arranged on the vertical frames. Through the way, the energy-saving illuminated bridge guardrail disclosed by the invention has good protective performance; the power generation panels among the vertical frames are used for power generation, so that the power generation efficiency is high; light-operated switches are used for automated control according to the external brightness, so that the energy-saving performance is good and the maintenance cost is low.