1. Efficacy and function: a. Refreshing; B. Anti-aging; C. radiation protection. 2. Taboo: A. Avoid drinking tea on an empty stomach; B. people with cold stomach should not drink more; C neurasthenia, insomnia and lactating women should not drink alcohol before going to bed; Avoid drinking overnight tea. Efficacy and function of Rizhao green tea;

1. Promote metabolism: Rizhao green tea is rich in tea polyphenols and caffeine, which can promote body metabolism, increase basal metabolic rate and help to lose weight. 2. Antioxidants: Tea polyphenols in Rizhao green tea are powerful natural antioxidants, which can help the human body to scavenge free radicals, slow down aging and reduce the risk of cancer and cardiovascular diseases. 3. Radiation protection: Polyphenols and vitamin C in Rizhao green tea have a certain protective effect, which can reduce the radiation damage of electronic products such as computers and mobile phones to the human body. 4. Improve your breath: Fluoride in Rizhao green tea can kill bacteria in your mouth and improve your breath. 5. Lowering blood sugar: Rizhao green tea contains a variety of ingredients that are beneficial to regulating blood sugar levels, such as tea polyphenols, caffeine and theophylline. Taboos of Rizhao green tea:

1. people with arrhythmia, hypertension, pregnant women, some digestive diseases, urticaria and allergic constitution should not drink it;

2. Because it contains theophylline, caffeine and other ingredients, people with excessive mental excitement, insomnia or palpitations should use it with caution;

3. Avoid interaction with drugs prescribed by doctors;

4. It is not advisable to drink too much. Generally, adults drink 3 to 4 grams a day;

In short, Rizhao green tea should be drunk in moderation, pay attention to personal physical reaction, and stop drinking in time if you feel unwell.