Different tea varieties will produce different health preserving effects. The following are some common tea varieties and their health-preserving effects:

1. Green tea: It has the functions of clearing away heat and toxic materials, promoting fluid production to quench thirst, refreshing the brain, lowering blood pressure and resisting oxidation.

2. Black tea: It has the functions of refreshing, invigorating qi and nourishing blood, promoting digestion, reducing weight and lipid, and resisting aging.

3. Black tea: It has the functions of lowering cholesterol, reducing weight and lipid, and protecting gastrointestinal tract.

4. Pu 'er tea: It has the functions of lowering blood fat, protecting health, relieving alcoholism, promoting fluid production to quench thirst, lowering blood pressure and resisting oxidation.

5. White tea: It has the functions of clearing away heat and toxic materials, improving immunity and lowering blood pressure.

6. Yellow tea: It has the functions of lowering blood pressure, resisting oxidation and inhibiting tumor.

7. Scented tea: Different scented teas have different effects. For example, rose tea has the function of beauty beauty, chrysanthemum tea has the function of clearing away heat and toxic materials and lowering blood pressure, and Prunella vulgaris tea has the function of diminishing inflammation and detoxifying.

In short, different tea varieties have different health-preserving effects. You can choose the right tea varieties for health-preserving according to your physical needs.