Chu chrysanthemum, known as "golden heart, jade petals, Cuidi heavenly fragrance" of the reputation. Because of the long history of cultivation, excellent quality, well-known nationwide, known as the country's four white chrysanthemum first. It was indirectly listed as a tribute in Guangxu year of Qing Dynasty, so it is also called "Chu Gongju". Chu chrysanthemum is an important traditional Chinese medicine, its flavor is sweet, sex is slightly cold, the book "Modern Practical Chinese Medicine" evaluates that "Anhui Chuzhou produces the most refreshing and cool, not bitter and not sweet, white chrysanthemum in this for the most good". It is used to make tea and has good health effects. Drinking for a long time, with wind dispersal, bright eyes, liver detoxification effect, and headache and dizziness, blood pressure, neurological headache, etc. has a good therapeutic effect. Although chrysanthemum tea has so many benefits, it is not suitable for everyone. This is because chrysanthemum is slightly cold, more suitable for people who take Yin deficiency and hyperactivity or real heat, "Materia Medica" that chrysanthemum for "gas deficiency and cold stomach, less food diarrhea, it is appropriate to use less. Modern research has also found that a very few people who drink a lot of chrysanthemum tea for a long period of time will experience symptoms such as loss of appetite, abdominal pain and diarrhea, and increased sore throat. Therefore, when drinking chrysanthemum tea, it must be different from person to person. People who are afraid of cold, cold hands and feet, weak spleen and stomach, etc. are best to keep a moderate distance from chrysanthemum tea.　　In addition, it should be noted that clinically there have been reports of allergies caused by taking chrysanthemum, therefore, allergic people must pay extra attention to drinking this product once the rash and other allergic reactions, you should stop taking it immediately, and if necessary, consult a doctor in a timely manner.