Drinking chrysanthemum tea often can clear lung heat. Chrysanthemum is sweet and bitter, but slightly cold, which can be divided into wild chrysanthemum and domestic chrysanthemum. Among them, domestic chrysanthemum can clear liver and improve eyesight, and wild chrysanthemum can detoxify and disperse fire. Traditional Chinese medicine is mainly used to treat diseases such as red eyes, sore throat, tinnitus, wind-heat cold, headache and hypertension. If eaten for a long time, it also has the functions of enriching blood, intellectual fit and prolonging life.