The invention discloses a light pollution prevention eye patch which comprises a spectacle frame, wherein a black cloth layer is fixedly arranged on the spectacle frame through a copper wire; a pair of eye protection bags is arranged on the black cloth layer in a line-lock manner; ear mufflers are arranged on the two sides of the spectacle frame; and an elastic band is arranged on the ear mufflers. The light pollution prevention eye patch can isolate light pollution, protect eyes and ensure physical health.