White sugar, sucrose, is sugar made from sugarcane, and sugarcane itself also reduces fire, so white sugar will not get angry, which will lead to obesity at most.

Rock candy is a by-product of white sugar made by ancient and modern methods. The crystal sugar produced by the ancient method is crystallized by alum, which can cause brain dementia, so it is not used now, and there is no evidence that white sails reduce fire. Nowadays, rock sugar is naturally crystallized, and sugar will melt and crystallize due to changes in temperature and pressure.

Extended data:

Rock sugar is sweet and flat, and enters the lungs and spleen; Has the effects of invigorating middle energizer, invigorating qi, regulating stomach and moistening lung; Rock candy can nourish yin and promote fluid production, moisten lung and relieve cough, and has a good auxiliary therapeutic effect on lung dry cough, dry cough without phlegm and expectoration with blood; It is used for cough and asthma, infantile malaria, oral dysentery, aphtha and toothache caused by lung dryness, lung deficiency and wind-cold fatigue, with strong pharmacological action.

Rock sugar is also an auxiliary material for making medicinal liquor and stew tonic. Rock candy can be used to make soup, stew or dessert. The famous "rock sugar Xianglian" is a delicious Hunan cuisine among the eight major cuisines. There are also tonics such as "rock candy Sydney" and "rock candy bird's nest". Rock candy can also be used as a high-grade food sweetener, used in pharmacy, wine soaking, nourishing and auxiliary drugs. , widely used as high-grade tonic and health care products produced by food and pharmaceutical industries.

Baidu encyclopedia-rock sugar