Herbal tea is also a distinctive symbol of Cantonese food culture. With a long history, a wide variety, and obvious efficacy, herbal tea is loved by Cantonese and reflects the profound Chinese medicine culture of Lingnan. We will go to Xu Qixiu herbal tea store and Shan Cao Tang herbal tea store to introduce the history and types of herbal tea, to explore how herbal tea is made and its effects,to taste the flavors of herbal teas with different efficacy and therapeutic effects,and we will together learn the functions of herbal tea and learn how to choose the right herbal tea according to the illness.