Porcelain cups are recognized as healthy cups among all cup products at present. It is made of ceramic materials, and whether it is drinking hot water, making tea or even making coffee, it will not produce substances harmful to our health. It is healthier to use the porcelain cup of Qianlishanhe River, but it does not have the function of health preservation. No, porcelain cups, daily utensils, have been mainly used for drinking water or tea since ancient times. The basic types of porcelain cups are mostly straight cups or open cups, and the diameter of the mouth edge is almost equal to the height of the cup, with flat bottom, round foot or high foot.