Ai Ying's family has a good tea set. Purple mud is really mellow, made of old materials and has good water absorption. It is an elegant tea set, moist and delicate, and the original taste of tea is drunk, which is worth the money. 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, Yixing purple sand is the most desirable jewelry for human beings.