Hello! Internationally, it is classified according to the following three methods.

Non-fermented tea: green tea Longjing, Biluochun, etc.

Semi-fermented tea: oolong tea, green tea, jasmine tea, Tieguanyin tea.

Completely fermented tea: black tea

Drinking tea will not get angry, but you should pay attention to the food you eat.

If you are afraid of getting angry, you can drink green tea and add some honey or lemon to make a fire.

I hope it helps you.