Cinnamon is one of the color varieties in Wuyi rock tea. Cinnamon, also known as Yugui, was originally one of the Wuyi name clusters. It was famous in the Qing Dynasty. In addition to the taste of rock tea, cinnamon is popular with people because of its sharp and long-lasting aroma. According to experts, the cinnamon is obviously fragrant, and the aroma is still lingering; The entrance is mellow and fresh, the soup color is yellow and clear, the leaf bottom is yellow and bright, the rope is tight and curly, the color is brown and green, and the oil is glossy. In the long years, the yield of cinnamon was few, in the early 1950s, it was youthful, and in the 1980s, it was promoted to the city, becoming a rising star in Wuyi's name cluster, and was initially assessed as a provincial improved variety.