If you drink it for a long time, it will increase the risk of cancer, asthma, coronary heart disease and other diseases. If children drink it, it may also affect their intellectual development. Milk tea also contains coffee, which is a stimulant to human body. At the same time, it is easy to cause anxiety, sweaty palms, tinnitus, palpitations and other symptoms for a long time, which is easy to lead to osteoporosis. Because milk tea contains more coconut oil, it is easy to make people fat.