1. When choosing ceramic tableware, don't use glazed decoration, especially don't paint the inner wall of ceramic tableware. You can choose underglaze color or underglaze color decoration. For example, blue and white is a kind of ceramics that people like to decorate with underglaze color.

2. First, soak the bought ceramic tableware in 4 vinegar water and boil it, which can remove most toxic substances and greatly reduce the potential harm of ceramic tableware to human body.

3. Don't store acidic food and drinks such as fruit juice, wine and coffee with ceramic tableware for a long time. Because the longer the ceramic tableware holds acidic food or drink and the higher the temperature, the easier it is to dissolve lead, which is equivalent to aggravating the toxic and side effects of lead dissolution.