People with a yang-deficient constitution should not regularly drink Chrysanthemum Tea. If they persistently consume chrysanthemum tea, which has heat-clearing and fire-purging properties, it can easily damage healthy energy, making the body weaker. Especially for those with spleen and stomach deficiency-cold, drinking too much cool-natured chrysanthemum tea can easily cause stomach discomfort and lead to acid reflux. It's evident that using chrysanthemum tea to reduce fire and clear heat also requires selection; it cannot be applied universally. 1. Six Taboos of Iron Goddess Tea
1. Avoid drinking large amounts of tea before or after meals. The correct practice is: drink tea one hour after a meal, and it should not be too strong.
2. Patients who are physically weak, malnourished, or anemic should avoid drinking tea.
3. Patients with urinary stones should avoid drinking tea.
4. Avoid drinking tea before bedtime.
5. Avoid drinking overnight tea.
6. Avoid drinking spoiled tea or the first infusion of tea.

II. Taboos of Pu'er Tea
1. It is not advisable to drink strong Pu'er Tea on an empty stomach. It should be drunk according to the individual and chosen appropriately for the time.
2. Pu'er tea should be drunk as it is brewed; it is not advisable to drink it after the tea leaves have been soaked for too long. Avoid drinking overnight Pu'er tea.
3. Newly made Pu'er tea should not be consumed in large quantities.
4. Keeping tea utensils clean is very important; do not forget to wash cups frequently when drinking Pu'er tea.
5. Pu'er tea is suitable for varied drinking, not for exclusive consumption.
6. Pu'er tea is suitable for long-term drinking, not for intermittent consumption.
7. Pu'er tea should be drunk warm, not scalding hot or cold.
8. Pu'er tea should be drunk weak, not strong.
9. Avoid drinking large amounts of Pu'er tea before and after meals.
10. Drink Pu'er tea in moderation before bedtime.
11. Avoid drinking poor-quality or spoiled tea.
12. Avoid drinking Pu'er tea that has been steeped too many times.

III. Taboos of Green Tea
1. Avoid drinking the first brew of tea: Because tea leaves are contaminated by pesticides and other harmful substances during cultivation and processing, there is always some residue on the surface of the leaves.
2. Avoid drinking tea on an empty stomach: Drinking tea on an empty stomach can dilute gastric juice, reduce digestive function, and cause a large amount of undesirable components in tea to enter the bloodstream, triggering symptoms such as dizziness, palpitations, and weakness in the limbs.
3. Drink less new tea: Because new tea has a short storage time, it contains more unoxidized polyphenols, aldehydes, alcohols, and other substances that have a strong irritating effect on the gastrointestinal mucosa and can easily induce stomach problems. New tea stored for less than half a month should be especially avoided.
4. People with a cold stomach should not drink too much, as excessive consumption can cause gastrointestinal discomfort. Those with neurasthenia and insomnia should not drink tea before bedtime. Nursing mothers should also drink less tea, as tea has a收敛 effect on breast milk.
5. Avoid using Green Tea to take medicine, and avoid drinking overnight tea. The tannic acid in green tea can combine with many drugs to form precipitates, hindering absorption and affecting efficacy.

IV. Taboos of Chrysanthemum Tea
1. Those with spleen and stomach deficiency-cold should drink less. When brewing chrysanthemum tea, it is not suitable for long-term continuous consumption; generally, 3-5 days is appropriate. People with a cold constitution might consider adding some wolfberries.
2. People with a yang-deficient constitution cannot regularly drink chrysanthemum tea. If they persistently consume chrysanthemum tea, which has heat-clearing and fire-purging properties, it can easily damage healthy energy, making the body weaker. Especially for those with spleen and stomach deficiency-cold, drinking too much cool-natured chrysanthemum tea can easily cause stomach discomfort and lead to acid reflux. It's evident that using chrysanthemum tea to reduce fire and clear heat also requires selection; it cannot be applied universally.