Mengding yellow bud is one of the bud-shaped yellow teas, produced in Mengding Mountain, Ya’an City, Sichuan Province. Mengding Mountain is a famous tea producing area with many varieties. In the early years of the Republic of China, yellow buds were mainly produced, and Mengding yellow buds became the representative of Mengding tea. It is said that “Qinli knows only Lushui, and tea is Mengshan Mountain”. It can be seen that the unique climate and geographical environment of Mengding Mountain is the best environment for the growth of pollution-free tea.