Ilex kudingcha is an evergreen tree with thick leathery leaves, oblong or ovoid. The biennial branches are axillary pseudopanicles composed of cymes, with no peduncle, yellow-green flowers, spherical fruit, red when mature, flowering in April and bearing fruit in September 9- 10/October. Born in evergreen broad-leaved forest, shrub or bamboo forest on hillside at an altitude of 250- 1500m. Distributed in Japan, China, the lower reaches of the Yangtze River, Fujian and other places. Leaves (Kudingcha) are bitter, sweet and cold. Clearing away heat and toxic materials, clearing the head, relieving polydipsia and diarrhea. Used for headache, toothache, red eyes and fever, polydipsia and dysentery.
Languiren tea, also known as licorice oolong tea or ginseng oolong tea, is made of American ginseng leaf powder or licorice powder, which is sweet and nourishing. In order to make tea granules dense, edible gum is sometimes added, so the quality of Languiren tea is not directly related to whether the tea granules can be soaked.
Vanilla tea is the most distinctive natural fragrant tea in Hainan Island, which is unique among China fragrant teas. Before 1993, there was never vanilla tea in Hainan Island, which was invented by Hainan Xiangsheng Natural Food Co., Ltd. in cooperation with the Food College of Southwest Agricultural University. On June 1993 and 18, sponsored by the Science and Technology Department of Hainan Province, the "Appraisal Meeting of the Achievements of Vanilla Tea in Hainan Province" was held, which unanimously passed the appraisal of the scientific and technological achievements of Vanilla Tea and the National Spark Project of Hainan Xiangsheng Natural Food Co., Ltd.