Bittering tea in water has the effect of dispersing wind and clearing heat, brightening the eyes and generating fluids. Bittering tea as a tea drink, but also as a form of traditional Chinese medicine. Bittersweet tea is an evergreen tree of the species Bittersweet tea of the genus Holly, which is used to brew water with the efficacy of clearing wind and heat, brightening the eyes and promoting the production of fluids. It is also used clinically to treat wind-heat headache, toothache, mouth sores, diarrhea and dysentery. Bittering tea is sweet, bitter and cold. It belongs to the liver, lung and stomach meridians. It is not recommended for people with cold spleen and stomach (weak and cold spleen and stomach), women during menstruation, weaker intestines and wind-cold flu. If you drink Bittering Tea for a long time, you may experience side effects such as abdominal pain and diarrhea. Bittering tea is a healthy and nourishing tea drink, it is recommended to drink according to personal preference in moderation, not excessive consumption, so as not to cause discomfort. Bittering tea can play a limited medicinal effect, if discomfort occurs, it is recommended to take medication under the guidance of a doctor.