1. Milk tea can be made of black tea, green tea and oolong tea;

2. The fermented black tea is mellow, and the milk tea made is rich and sweet; Green tea is not fermented, and the content of tea polyphenols in tea is high, so the milk tea made is refreshing and fragrant; Oolong tea is between black tea and green tea, making milk tea rich and fragrant. Generally making milk tea, black tea is the most used.