The production technology of Lycium barbarum cake tea is refined by pile fermentation, squeezing and storage of raw tea. Among them, heap fermentation is to pile together the crude tea, let it ferment naturally, promote the role of enzymes in tea, gradually change the aroma, taste and color of tea, and form a unique Pu 'er tea feature.
During storage, chemical reactions will continue to occur. With the passage of time, the aroma and flavor of tea will be enhanced and changed. Therefore, the older the tea cake, the more fragrant and delicious it is. Therefore, Qizi cake tea is also a good product in Pu 'er tea, which has high collection value and cultural connotation.