In summer, the temperature is above 28 degrees Celsius. Double-skin milk is liquid after it is produced, so it needs to be refrigerated between 10 and 20 degrees. It is easy to set up a stall. If you go to set up a stall in summer, you can bring a freezer.

It is said that double skin milk was founded in the late Qing Dynasty. When a local farmer in Shunde made breakfast in the morning, he accidentally turned over a pattern in buffalo milk, and inadvertently transferred the folk food "double skin milk", which has been passed down to this day. Double skin milk is a Cantonese dessert. Now all over Guangdong, Macao, Hong Kong and other places.