What is the milk cover ash in the tribute tea of Shenzhen milk tea shop?

Tribute tea has a long history of several thousand years in China, which has a great influence on the whole tea production and tea culture.

The origin of tribute tea is closely related to the establishment of feudal system. Tribute tea, like other tributes, is essentially a symbol of the effective rule of the monarch in feudal society and the need of feudal etiquette system.

Tribute tea system is a symbol of feudal ethics in China and a product of underdeveloped commodity economy in feudal society.

Tribute tea was used exclusively by the ancient imperial court for the palace. Ancient Ningbo was rich in tribute tea, mainly concentrated in Cixi County, which was almost unmatched by other provincial governments.