The main components of taro-mud bobo milk tea are taro, pearl (bobo) and milk tea. Among them, taro is a common ingredient, and some people are allergic to taro; The main ingredients in milk tea include tea, creamer (or milk) and sugar, among which tea and milk can cause allergic reactions in some people. Therefore, I am allergic to some ingredients in taro or milk tea, and drinking taro bobo milk tea will cause allergic reactions.