The invention provides stoneware capable of improving water quality. The preparative raw materials of the stoneware at least comprise stone powder, stoneware mud, clay, non-metallic ore and aluminosilicate minerals. The stoneware provided by the invention comprises trace elements, far infrared and negative ions, and can achieve the effects of alcoholizing smoke and wine, improving the tea soup quality, improving the water quality, refining water molecules to remove residual chlorine in water and the like. Moreover, according to the preparative raw materials of the stoneware provided by the invention, the influence of an oxide layer on the oxide surface can be eliminated in the sintering process, so that the surface energy is improved.