No, by inquiring about the product instruction manual of Tmall Elf Light, Tmall Elf Light bulb is a kind of intelligent LED light bulb, which can be controlled by the intelligent speaker of Tmall Elf to realize the functions of controlling the brightness, color and switch of the light by voice. Tmall Elf bulbs use LED light sources instead of ultraviolet light sources. In order to ensure the safety of users, the spectrum of Tmall Elf light bulb does not contain ultraviolet rays, which will not cause harm to human body.