Also known as Ilex Ku Ding Cha, it is so strong, you only need one or two sticks for a whole pot. It is mainly used to help with phlegm, coughing, asthma, and common colds.
Disperse wind-heat, clear the head and the eyes, and resolve toxin, thus being used for common cold, rhinitis, itching eyes, red eyes, and headache, it is said to calm fidgets and alleviate thirst, especially when one is suffering from a disease that causes fever or severe diarrhea. It transforms phlegm and alleviates coughing, thus used in treating bronchitis. Reduces cholesterol and lowers blood pressure. Finally, it is said to invigorate digestion and improve mental focus and memory.