Test-tube milk tea is a network hot stalk. Test-tube milk tea is a popular online term recently, which refers to a way to drink milk tea in a test tube. This drink looks more scientific and easy to take photos and upload to social media. Therefore, test-tube milk tea is also considered as an online celebrity drink. Milk tea is a popular beverage, which is made of tea, dairy products and sweeteners or other seasonings. Its taste is rich, with the aroma and bitterness of tea and the silky sweetness of dairy products.