In terms of raw materials and manufacturing technology, ceramic cups are not only safe, but also resistant to high temperatures. Qualified ceramic cups are made by using excellent porcelain clay in a high-temperature environment. During the refining process, they are not rich in organic chemicals. Therefore, when using ceramic cups, you don’t have to worry about drinking harmful chemicals into your stomach. Plastic cups are often added with plasticizers, which are rich in some toxic chemicals. When we use plastic cups to hold hot water, the toxic chemicals are easily diluted into the water, and then enter our bodies with the water. Experts have also said that the use of inferior plastic cups may cause cancer; and another common metal cup may be rich in harmful metals, which are also harmful to human health. Therefore, ceramic cups can be said It is the safest and healthiest for the human body, so drinking water should be a ceramic cup without color glaze and colorless inner wall.