The cuisine that is being referred to is Hainan Qingziliang (清补凉).

In Hainanese, the word for "cool" is pronounced as "yin", which is the same as the word for "weight", and it is an old-fashioned soup that clears heat and dampness in summer.

The ingredients of Qingziliang are not uniform, some are mainly to strengthen the spleen and remove dampness, while others are mainly to moisten the lungs. The material recipe usually have to: green beans, red beans, Chinese mountains, lotus seeds, Cesar, Job's tears, sago, lily, jujube and north and south apricot, and add watermelon, pineapple, longan and other fruits made into sugar water, but also to astragalus, Codonopsis pilosula, Chinese mountains, lotus seeds, maitake, cloud ling, blue jujube, fig, pork tendon meat of the old hot soup, but different areas of the different stores according to the different groups of people often have their own characteristics of the ingredients.

The Qing Mianliang is mostly in the form of sweetened water and old-flame soup, which has its unique flavor and therapeutic effect in different regions. After improvement, in addition to the original sugar water, Qingjianliang also has coconut water, coconut milk, smoothies and ice cream and other different ways of eating. It is popular in Hainan, Guangdong, Hong Kong and Macau, Guangxi and other regions of China. Qing Mianliang is known as "coolness on the tip of the tongue". It was once hailed by Su Shi as "picking agar jelly above the coconut tree and bringing a bowl of white jade fragrance".

The main impact of Hainan Qingzhengliang:

In the end of the Hong Kong people's favorite Hainan tourism products selection, Hainan powder, Qingzhengliang, tropical fruit and meat food and other Hainanese specialties were selected as the "Hong Kong people's favorite Hainan top ten food". This is the South China Sea Network reporter learned on October 8 from the Hainan Provincial Tourism Commission. "Hong Kong people's favorite Hainan top ten cuisine" in order of Wenchang chicken, Dongshan sheep, plus accumulation of duck, Wenchang hold Luo powder, and music crab, Lingao suckling pig, Hainan chicken rice, Hainan powder, a wide range of tropical fruit and meat food, summer refreshing cooler.

Hong Kong is the main source market of inbound tourists in Hainan Province, in order to increase the publicity and promotion of Hainan tourism to Hong Kong, expanding Hong Kong's source market share, so that more Hong Kong people understand the characteristics of Hainan's tourism products, and deepen the Hong Kong and Qiong "a trip to a number of stops" type of cooperation pattern, to attract more Hong Kong people and foreigners visiting Hong Kong to Hainan! Tourism, Hainan Provincial Tourism Development Commission and the Hong Kong "Wen Wei Po" jointly organized the first "Hong Kong people's favorite Hainan tourism products" selection activities on July 1 in Hong Kong officially opened.

Selection activities from July 1 to September 30 end. In Hong Kong Wen Wei Po, Wen Hui online launched at the same time, lasted three months. Selection activities **** is divided into six series, were selected Hong Kong people's favorite international brand hotels in Hainan, local brand hotels, golf courses, attractions and scenic spots, food and so on each of the ten, five tourist cities and counties.

Reference: Baidu Encyclopedia - Hainan Qingzhengliang