1, when choosing ceramic tableware, do not use glaze color decoration, ceramic tableware is not painted on the inner wall. Can choose underglaze color or glaze color decoration, such as blue and white is a kind of people like to decorate with underglaze color ceramics.

2, buy back ceramic tableware, first soak and boil with 4 vinegar water, which can remove most of the toxic substances, greatly reducing the potential harm of ceramic tableware to the human body.

3, do not use ceramic tableware to store acidic food and juice, wine, coffee and other beverages for a long time. Because ceramic tableware contains acidic food or beverage for a long time, the higher the temperature, the easier it is to dissolve lead, which is equal to aggravating the toxic and side effects of lead dissolution.

4, whether the shape is positive, whether there are damage, spots, bubbles, smooth. Ceramics with thorns, spots and even cracks on the surface, the lead contained in the glaze is easy to overflow, and it is not suitable for tableware.

5. When selecting porcelain with gold and silver decoration, wipe it with your hands, and it is the top grade without fading.

6. Tap a few times, the sound is crisp and good quality, and the sound is dull or hoarse.

7. Most of the porcelain adhesives contain high lead, and it is not suitable to make tableware after the porcelain is replenished.

8. The glaze on the surface of the porcelain is fired at a temperature above 800 degrees, which is less than 800 degrees. The low temperature glaze will be harmful to the human body. It is good to reach 1350 degrees of porcelain.

9. When purchasing a complete set of ceramic products, it depends on whether the glaze, picture, luster and style of each piece are consistent, symmetrical and coordinated.

10, Thin tire ceramic products are looked after under sunlight or light, and must be transparent, both thin and light, and uniform in thickness.