Protective device for anti-collision wall

A protective device for an anti-collision wall relates to the field of public facilities and comprises a plurality of guardrails fixedly mounted on the upper portion of the anti-collision wall at intervals in the length direction of the anti-collision wall, a handrail is movably connected between every two adjacent guardrails, and a plurality of lamps are embedded in the handrails in the length direction of the handrails. A fixing sleeve is fixedly installed at the top of each guardrail, the two ends of the handrails are rotationally connected with the two fixing sleeves in a one-to-one correspondence mode, clamping mechanisms used for clamping and fixing the handrails are fixedly installed in the fixing sleeves, and an anti-dazzle grating is fixedly installed on the light emitting side of the lamp. Lamps with polarized light and different powers are installed in a handrail, the handrail is manufactured in a segmented mode and then transported to a site to be installed, an anti-dazzle grid is installed on eac