Lantern belongs to light pollution, which will pollute the environment. For example, black lights, rotating lights, fluorescent lights and flashing light sources installed in dance halls and nightclubs constitute color light pollution. Color light source is easy to make people dizzy, which is not only harmful to eyes, but also interferes with the central nervous system of the brain, making people dizzy and causing symptoms such as nausea, vomiting and insomnia.

Light pollution is a new environmental pollution source after waste gas, waste water, waste residue and noise pollution, which mainly includes white light pollution, artificial daytime pollution and colored light pollution. Light pollution is threatening people's health.