"Qinglianzhan" is the common name of Yingqingzhan in Song Dynasty, which is used to refer to a popular porcelain lamp. Yingqingzhan, also known as Qingbaizhan, was a container used by people in Song Dynasty to drink tea and wine. This kind of porcelain has the characteristics of thin tire, white glaze and fine pattern. At that time, people loved this kind of porcelain very much, and there was even a proverb that "a cup of tea is full but the leaves don't come loose", which described its excellent heat preservation performance and good effect on tea preservation.