1. Refreshing and refreshing: Black tea contains ingredients such as caffeine and theophylline, which can stimulate the central nervous system and improve spirit and concentration.

2. Promote digestion: The tannic acid and aromatic substances in black tea can promote the secretion of gastric juice and help digest food.

3. Prevent cancer: Black tea contains a substance called tea polyphenols, which has antioxidant effects and helps prevent cancer.

4. Reduce blood lipids: The tea polyphenols in black tea can reduce blood lipids and prevent cardiovascular diseases.

5. Enhance immunity: The various nutrients in black tea help enhance the body’s immunity and fight against viruses and bacteria.

6. Improve skin: The polyphenols and aromatic substances in black tea can improve skin quality and make skin softer and more delicate.

7. Enhance bone density: The various nutrients in black tea can help absorb calcium, enhance bone density, and prevent osteoporosis.

8. Relieve stress: Theanine in black tea can promote the stability of the nervous system and relieve mood and stress.