In Hainan, coolness has a long history, which has been more than 2200 years. In Hainan, there is a saying that "a man's father's tea is cool for a woman". The fresh one is called ice powder.

Hainan Qingbuliang is a traditional dessert popular in tropical Hainan Island. Many kinds of food are used in it, such as hollow powder, mung bean, watermelon, coconut milk, taro, bean jelly and so on.