Ganlu tea is green tea, and Mengding Gan Lu is the oldest famous tea in China. It is regarded as the pioneer of old tea and famous tea. Mengshan tea is mainly produced at the top of Mengshan Mountain, so it is called "Mengding tea". There is a saying that there is water in the Yangtze River and tea at the top of Mengshan Mountain.

Green tea is one of the main tea leaves in China, which refers to a beverage made from the new leaves or buds of tea trees without fermentation, and through the processes of enzyme fixation, shaping and drying. The color of the finished product and the brewed tea soup retain the green style of new tea.