1 Pu 'er: Pu 'er cooked tea with the functions of lowering blood pressure, blood fat, blood sugar, cholesterol and warming the stomach is most suitable for middle-aged and elderly friends to drink.

2 black tea, black tea contains theaflavins, which can clear blood lipids and prevent three high diseases.

3 green tea: the health care effect is the best. It contains some special anti-disease ingredients, such as anti-diabetic substances, which can lower blood sugar, promote insulin secretion and help diabetic patients recover, but the content in black tea is very small.

There are many kinds of green tea and black tea, which are not ordinary cheap tea.

Reference: Pu 'er (Acura, Longjing, Biluochun and Jinjunmei)