The so-called Pu'er tea generally has one bud and one leaf or two leaves, and there are also full buds or more leaves. Sometimes it will be picked into one bud and three leaves during the picking process. And this third leaf is the so-called yellow leaf. Yellow slices are commonly known as golden leaves. They cannot be kneaded into strips that are too thick and old in the kneading process of processing technology to form an old leaf, referred to as old yellow slices. During the growth process, his irritating substances, tea polyphenols and caffeine, decreased, and the sugar content became higher and higher. The mouth was sweet and mellow, without bitterness. In order to make it easy to carry, we pressed the golden leaves into Puerh Tuo in the shape of leaves.