Hainan Qingbu Liang belongs to Hainan cuisine. As a special refreshing dessert popular in tropical Hainan Island, the traditional Hainan Qingbu Liang is mainly made of red beans (mung beans), barley, peanuts, hollow noodles, etc. , let cool or add ice cubes and become a bowl of authentic Hainan refreshing tonic. Nowadays, due to the diversity of ingredients, most regions (the tastes of different regions in Hainan are different) have begun to add a variety of ingredients such as coconut meat, red dates, watermelon dices, pineapple dices, quail eggs, jelly, "winter melon and job's tears", etc. , and in order to cater to the tastes of many people, coconut milk, sugar water and water are added as options. Nowadays, Hainan Qingbu Liang is a relatively mature ice-cold thirst-quenching drink. The more authentic ones are mostly refreshments at night markets or small stalls. There are many such small shops in Haikou because they have a long history and are widely loved by the public.