1. refreshing: Laoshan black tea contains caffeine and other ingredients, which can improve the nerve excitability of human body and enhance the thinking and working ability of human body.

2. Improve digestion: Laoshan black tea contains a variety of alkaloids, which can promote the secretion of digestive juice, promote digestion and relieve symptoms such as stomach pain.

3. Lose weight: Laoshan black tea can promote fat decomposition, accelerate metabolism, help consume body fat and achieve the effect of losing weight.

4. Antioxidant and anti-aging: Laoshan black tea is rich in tea polyphenols and antioxidant substances, which can effectively resist the damage of free radicals and slow down the rate of cell aging.

Taboo of Laoshan black tea;

1. Don't drink too much: Laoshan black tea contains caffeine, which can easily lead to excessive tension, and then cause insomnia, palpitations and other uncomfortable symptoms.

2. Pregnant women, lactating women, children, heart patients and hypertensive patients should not drink: Laoshan black tea contains caffeine and theophylline, which will have a negative impact on vulnerable people.

3. Patients with chronic night sweats, kidney deficiency and diarrhea should not drink it: because theophylline or caffeine in Laoshan black tea may stimulate these people's bodies.