The surface of the light box is prone to dust after a long time. It needs to be wiped and cleaned to maintain good visual effects, but it is not necessary to wipe it daily. It is generally better to wipe the light box once a week to two weeks. Wipe the towel with clean water, so the back frame, electrical appliances, and circuit parts need to be wiped with a dry towel. Then the light guide plate should be avoided from bruising, avoid using hard materials, use a dust-free cloth, and lightly white electric oil. Wipe, remove stains, then come here to avoid leaving water stains after wiping, so as to avoid light spots, you don’t need to wipe when the dirt is unknown, so remember to use alcohol, and the base fixing screws regularly use lubricating oil Prevent the bolts from rusting.