First, observe whether the glaze of porcelain is smooth and flat, and whether there are spots, slag dropping and glaze shrinkage. The purchase of colored porcelain tea sets depends on whether the glaze color is uniform, whether the colors are harmonious and whether the patterns and lines are coherent; Tap gently on the surface of the tea set with the fingertips of the middle finger and forefinger to listen to its sound. Generally, porcelain with good porcelain degree and no damage should be crisp and pleasant, while tea sets with poor quality are dull and hoarse.

Porcelain is a banner of China's traditional civilization. The combination of porcelain tea set and China tea made China tea spread all over the world. China tea set was first dominated by pottery. After the invention of porcelain, ceramic tea sets were gradually replaced by porcelain tea sets. Porcelain tea sets can be divided into white tea sets, porcelain tea sets and black tea sets.