1. Refreshing: Longjing tea contains caffeine and theophylline, which can promote the excitement of the nervous system and improve the brain's reaction ability and attention.

2. Antioxidant and lipid-lowering: Longjing tea is rich in tea polyphenols and other substances, which has a strong antioxidant effect, can remove free radicals in the body, prevent cardiovascular diseases and cancer, and lower cholesterol.

3. Slimming: Tea polyphenols in Longjing tea can promote fat catabolism and help to lose weight and shape.

4. Nourishing the stomach and protecting the liver: Longjing tea has high content of tea polyphenols and amino acids, which helps to enhance liver function and digestive function and protect gastric mucosa.

Harm of Longjing tea;

1. Dyspepsia: Theophylline and caffeine in Longjing tea can stimulate the stomach and easily cause indigestion.

2. Insomnia: Caffeine in Longjing tea will affect sleep, and long-term drinking may lead to insomnia.

3. Dehydration: Because Longjing tea is a diuretic, long-term drinking may lead to dehydration.

4. Tea scale: Longjing tea contains high minerals, and it is easy to accumulate in the mouth to form tea scale after long-term drinking.