Tea cups are usually made of white porcelain or celadon to enjoy the soup color of Pu 'er tea. The teacup is bigger than the cup used for Kung Fu tea (oolong tea). Drinking tea in a thick-walled mug is not only suitable for the mellow and sweet characteristics of Pu 'er tea, but also close to the rough drinking customs of Yunnan people.
Extended data
Zisha Pot is a unique handmade clay handicraft in China. Its production began in Zhengde period of Ming Dynasty, and the raw material was purple mud, which was produced in Dingshu Town, Yixing, Jiangsu Province. The teapot is bullish in the auction market and is an "antique" with collection value. The works of famous artists are often hard to find. As the saying goes, "There are many jewels in the world, and Yixing Zisha is the most sought after."
Teapots are used to make tea. It has long been concluded that the performance of teapot is "color, fragrance and taste". Moreover, scientific institutions have made a detailed test on the problem of "staying up late in summer", comparing sand pots with ceramics, and it has indeed proved that sand pots are much superior to ceramics. This conclusion is based on the uniqueness of purple sand raw materials. The teapot is practical, because of its high porosity, which makes it have the advantage of good permeability.
References:
Baidu encyclopedia: teapot