The invention discloses a ceramic light-quality bulletproof helmet and preparing method, which is composed of ceramic base layer in the middle of helmet and PE layer on two sides through hot-pressed attaching, wherein the ceramic base layer is split by multiple prismoids, multiple pyramids and multiple bosses. The preparing method comprises the following steps: designing PE layer on the inner side of outer and inner surface of inner mould; splitting a layer of ceramic multiple prismoids, multiple pyramids and multiple bosses on the inner side of PE layer; pressing inner and outer mould through heating. |