Pu'er tea is picked from Pu'er tea trees in the Pu'er tea area of ??Yunnan Province. The oldest Pu'er tea tree in China has a history of 2,800 years. Pu'er tea is compressed tea that has been artificially fermented. Belonging to dark tea, Pu'er tea contains more nutritional value and medicinal ingredients. Fermented Pu'er tea produces beneficial bacteria during the fermentation process. The longer the Pu'er tea is aged, the higher its nutritional value will be, and some nutrients will be produced during the aging process. Pu'er tea is divided into raw tea and cooked tea. Long-term drinking of Pu'er tea will not cause internal heat. The Pu'er tea that is mistaken for causing internal heat should be raw Pu'er tea. Raw Pu'er tea is tea that has not been artificially fermented after being picked. ? long? Pu'er tea itself will not cause internal heat. Pu'er tea has the effects of lowering blood pressure, lowering blood lipids, anti-aging, and protecting and nourishing the stomach. Raw Pu'er tea has a refreshing taste and has the functions of clearing away heat, relieving summer heat, detoxifying, quenching thirst and promoting fluid production, digesting food, and laxatives. Raw Pu'er tea contains more tea polyphenols. Tea polyphenols can inhibit bacteria, help digestion, and clean the intestines. Raw tea is strong, which is why Pu'er tea is believed to cause internal heat. People with insomnia, pregnant women, people with colds and fever, and patients with gastric ulcers should not drink raw Pu'er tea. Drinking raw Pu'er tea may cause adverse reactions, so it is recommended to drink cooked Pu'er tea instead. Ripe Pu'er tea is mild in nature. It has the functions of nourishing the stomach, protecting the stomach and losing weight, and has high nutritional value. Long-term drinking of Pu'er tea has the effect of regulating physical condition.