Bubble tea's tea base is black tea. According to the relevant public information, black tea is a kind of tea with a high degree of fermentation, which has a strong aroma and taste. When it is combined with ingredients such as milk and pearls, it can produce a unique taste and taste. Black tea is selected as the tea base of Dakasi bubble tea in order to bring more delicious taste to consumers. Kasi is a chain brand in bubble tea, Taiwan Province. The tea base in bubble tea is mainly black tea, and milk and other condiments are added to make rich, sweet and delicious milk tea.