Tie guan yin
Anxi Tieguanyin can refresh your mind, its function is mainly the caffeine in tea. Caffeine has the functions of exciting the central nervous system, enhancing thinking, and improving efficiency. Therefore, after drinking tea, it can break sleep, refresh, trouble, relieve fatigue, clear the mind, and improve thinking, which can significantly improve the ability of oral defense and mathematical thinking. At the same time, because Anxi Tieguanyin contains polyphenols and other compounds, it offsets the adverse effects of pure caffeine on the human body.