1, anti-aging: green tea contains tea polyphenols, which has strong antioxidant capacity and can scavenge free radicals in the human body, so it can delay aging.

2, anti-cancer: tea polyphenols in green tea can block the synthesis of carcinogens such as ammonia nitrite in the body, but also kill cancer cells, improve the body's immunity, so it also has anti-cancer effect.

3. beauty beauty: Besides drinking green tea, you can also wash your face with green tea. It can shrink pores, remove greasy substances from your face, and has the effect of disinfection and sterilization, so it also has the effect of beauty beauty.

Second, the disadvantages of drinking green tea

1, pesticide residue: green tea is generally sprayed with some pesticides in order to grow better, but pesticides are harmful substances, which may remain on the surface of tea, and drinking them will affect health.

2, gastrointestinal discomfort: A few people have weak gastrointestinal function, so drinking green tea may lead to gastrointestinal discomfort and insomnia.

3, affecting the body's absorption of iron: tea contains tannic acid, which will combine with iron, so it will affect the body's absorption of iron, leading to iron deficiency anemia.

4, cause constipation: People who often drink tea may also cause constipation, mainly because tannic acid will combine with protein in food, leading to constipation.

There are so many advantages and disadvantages about drinking green tea, so friends who love tea should pay attention to the advantages and disadvantages of tea, and then drink tea that suits them according to their physical condition, which is better for their health. In addition, when drinking green tea, be careful not to drink it at night or on an empty stomach, otherwise it will lead to some diseases in the body.