Milk tea is a favorite drink, but some milk tea vendors in the market use excessive creamer or added sugar, which can be harmful to the body when consumed for a long time. However, homemade milk tea is not harmful to health when consumed in moderation without additional sugar or with a small amount of added sugar. If excessive sugar is added in the process of homemade milk tea, or if bacterial contamination is caused by not paying attention to hygiene when making the tea, or not refrigerating it in time after making it, it may cause damage to the body. If excessive sugar is added to homemade milk tea, it may cause obesity or blood sugar rise if you drink it regularly, and in serious cases, it may cause cardiovascular disease. When making it, you should try to pay attention to hygiene, and should not make too much at a time to avoid drinking it and storing it improperly, contaminating it with bacteria and causing abdominal pain, diarrhea and other symptoms after drinking it. In addition, milk contains fat, people with high blood lipids should choose low-fat or skim milk for production, or try to reduce the number of times you drink homemade milk tea. Tea polyphenols and theophylline in tea have an excitatory effect on the nerves, and people with neurological headaches or insomnia should not drink too much homemade milk tea. You can use black tea when making homemade milk tea, which can reduce the amount of tea leaves. At the same time should try to put less or no additional sugar, if you want to increase the taste can be appropriate to put some oats, barley, homemade taro puree, etc., more healthy.