1. Clearing away heat and reducing fire: Hawthorn has the function of clearing away heat and reducing fire, and can relieve symptoms such as dry mouth, vexation and thirst, weakness of spleen and stomach.

2. Xiaoshi Huayu: Hawthorn can promote the secretion of digestive juice, help digestion and relieve symptoms such as bloating, loss of appetite and nausea.

3. Reduce fat and lose weight: Hawthorn is rich in cellulose and vitamin C, which can promote metabolism, help to lose weight and lower blood lipids.

4. Regulating blood sugar: Polyphenols in hawthorn can regulate insulin secretion and help lower blood sugar.

5. Anti-oxidation and anti-aging: Polyphenols in hawthorn have strong anti-oxidation ability, which can delay aging and improve immunity.

Taboo:

1. Spleen and stomach weakness: Hawthorn has astringent taste, which is easy to consume gas and damage the spleen, so people with spleen and stomach weakness, indigestion and diarrhea should eat less.

2. Don't eat more on an empty stomach: Hawthorn black tea can stimulate gastric acid secretion, and it is easy to cause stomach pain, nausea and other discomforts on an empty stomach or excessive drinking.

3. Contraindications during pregnancy: Hawthorn black tea may cause uterine contraction, and pregnant women, especially early pregnant women, should not eat it.