Green tea is unfermented tea, so it retains a lot of tea polyphenols, caffeine, chlorophyll, vitamins and other substances, and has special effects in anti-aging, cancer prevention, sterilization and anti-inflammation, which is incomparable to fermented tea. And drinking green tea often has the effect of reducing fat and weight. Although drinking green tea regularly is good for health, not everyone can drink it. First of all, green tea is cold, and people with cold body may have diarrhea after drinking it. Secondly, green tea contains a lot of caffeine, which can excite the central nervous system, so it is not recommended for some people with poor sleep. If you really want to drink a little, you can try drinking it in the morning to see if it affects your sleep. If so, don't drink tea. If not, you can drink green tea. Therefore, although drinking green tea often is good for your health, it should be decided according to your physical condition. For example, you can drink green tea for a long time if your mouth hurts and your breath is heavy. Drinking tea does not affect your sleep.
Black tea is a completely fermented tea with mild properties. People with good health can drink this tea in autumn and winter to warm their stomachs. But when drinking this kind of tea, we should also pay attention to it. People who are prone to get angry, stomach heat and irritability are not suitable for drinking.
Pu 'er tea is a kind of black tea, which is slightly fermented and mild in nature. This kind of tea has the effect of promoting digestion and relieving boredom. Generally, Pu 'er tea can be divided into cooked tea and raw tea, which we often call cooked tea. Pu-erh tea cake made by fermentation of Pu-erh tea is easy to preserve, so long as it is not moldy, tea can be drunk, which is quite suitable for collection. Precautions are similar to black tea.
In short, the choice of tea depends on your own situation. As long as you don't feel bad after drinking, you can drink it often. But it should be noted that you can't drink moldy, spoiled, overnight or strong tea, which is harmful to your health.