Benefits of long-term drinking of Pu'er tea:

1. Promote digestion. Pu'er tea is rich in tea polyphenols, which help promote digestion and help the body absorb nutrients.

2. Health care. Pu'er tea is rich in a variety of trace elements, such as fluorine, iron, zinc, etc., which are beneficial to human health.

3. Improve your tone. Pu'er tea has oral bactericidal effect and can improve breath problems.

4. Antioxidant. Pu'er tea is rich in tea polyphenols and other antioxidant substances, which can effectively resist oxidation and help relieve fatigue and reduce aging.

Side effects of long-term drinking of Pu'er tea:

1. High caffeine content. The caffeine content in Pu'er tea is high, and excessive drinking can cause insomnia, headaches and other problems.

2. Highly acidic. Pu'er tea is highly acidic, and long-term drinking may damage the stomach and cause gastritis and other problems.

3. Some types may contain harmful substances such as heavy metals. Some Pu'er tea may contain harmful substances, such as lead, mercury, etc. Improper consumption may have an impact on human health.

4. Long-term drinking may cause dependence. The medicinal ingredients of Pu'er tea may make drinkers dependent on it, leading to long-term consumption.