Green brick tea belongs to the black tea category. It has a rectangular shape with a flat brick surface, distinct edges, consistent thickness, and clear patterns. The color is green brown, the aroma is pure, the soup color is red yellow, the taste is rich, and it is rich in various substances beneficial to human health. With the aging of years, the color of the black brick tea will gradually become orange red. The taste and flavor of the black brick tea stored properly will be better, and its market value will also increase. The products of the black brick tea are mainly sold to the northwest regions such as Inner Mongolia, Xinjiang, Xizang, Qinghai, and Mongolia, Georgia, Russia, Britain and other countries.