green brick tea is neither black tea nor green tea, but a kind of black tea. Black tea belongs to one of the six major teas, which belongs to post-fermentation tea. The main producing areas are Sichuan, Yunnan, Hubei, Hunan, Shaanxi, Anhui and other places. The raw material of black tea used in traditional black tea has a high maturity and is the main raw material for pressing pressed tea. Brick tea is pressed by Hubei old green tea, and its origin is in Yangloudong Ancient Town, Zhaoliqiao, chibi city City, Hubei Province, with a history of more than 6 years. Green tea is unfermented tea, while black tea is fully fermented tea.