▎ 摘　　要

NOVELTY - A negative oxygen ion oxygen bar mud painting comprises base material layer, middle layer, embossed layer, color, precious stones and photocatalytic material. The middle layer comprises 70 wt.% natural bottom mud, 16.5 wt.% negative oxygen ion catalytic nanomaterials, 7.3 wt.% two-dimensional carbon nanomaterials, and 6.2 wt.% titanium dioxide photocatalyst material. USE - Negative oxygen ion oxygen bar mud painting used as indoor decoration material. ADVANTAGE - The negative oxygen ion oxygen bar mud painting is safe and environmentally-friendly, and can not only have excellent decorative effect, but also has health care function on the human body.