From the health point of view, you should drink green tea. Green tea not only has the pharmacological effects of refreshing brain, clearing away heat and relieving summer heat, resolving phlegm, relieving fatigue and losing weight, clearing away heart fire and vexation, detoxifying and sobering up, promoting fluid production to quench thirst, reducing fire, improving eyesight, stopping dysentery and removing dampness, but also has certain pharmacological effects on modern diseases such as radiation sickness, cardiovascular and cerebrovascular diseases, cancer and so on.