1. Refreshing: Caffeine in oolong tea can improve the excitability of human central nervous system, and play a refreshing role.

2. Regulating blood sugar: Tea polysaccharide in oolong tea has the function of regulating blood sugar, and people with high blood sugar can lower blood sugar by drinking it in moderation.

3. Antioxidant: Tea polyphenols in oolong tea are an antioxidant, which helps to scavenge free radicals and delay aging.

4. Precautions: Insomnia people should not drink, so as not to aggravate insomnia symptoms. If you want to treat diseases through oolong tea, you should do it under the guidance of a professional doctor; At the same time, doctors or pharmacists should be consulted when using other drugs to avoid mutual reaction between drugs and affect the therapeutic effect.

Ancient oolong tea has the following functions:

1. Improve gastrointestinal function: The ancient oolong tea has a fragrant smell, which can stimulate the secretion of digestive juice, promote gastrointestinal peristalsis, accelerate food digestion, and help improve gastrointestinal function.

2. Lose weight: Ancient oolong tea contains chemical components such as tea polyphenols and caffeine, which can promote fat decomposition, accelerate metabolism and achieve the effect of losing weight.

3. Lowering blood pressure: Tea polyphenols in ancient oolong tea have the function of protecting cardiovascular and cerebrovascular diseases, which can lower blood pressure and prevent cardiovascular and cerebrovascular diseases such as hypertension.

4. Anti-oxidation: Tea polyphenols, polysaccharides, amino acids and other components rich in ancient oolong tea have good anti-oxidation performance, which helps to prevent free radicals from harming human cells.

5. Refreshing: Caffeine in ancient oolong tea can stimulate the nervous system, improve the alertness and responsiveness of the brain, and help to refresh.

6. Sedate and soothe the nerves: Theanine in ancient oolong tea can calm and soothe the nerves through the role of neurotransmitters, which helps to relieve anxiety and insomnia.

Generally speaking, ancient oolong tea has many functions and functions, and it is a healthy drink suitable for people of any age. However, it should be noted that excessive drinking may lead to side effects, such as insomnia, dizziness and palpitation. Therefore, you need to pay attention to the right amount when drinking.