It can increase the sweetness, and it is also an excellent seasoning mixed with chrysanthemum, medlar, hawthorn, red dates, etc. The quality of rock sugar is pure and not easy to deteriorate. Besides being used as candy, it can also be used as a high-grade food sweetener, preparing drugs, impregnating wine and nourishing adjuvant drugs. The general population can eat it, and diabetics should not eat it. Edible rock candy can be used as candy or snacks. The most famous snack is candied haws, which are made by wrapping plums or hawthorn with rock sugar. But the sugar for making candied haws is only boiled sugar, which is not as high as the real rock sugar. Rock sugar can be used to cook soup stew or make dessert; The famous "rock sugar Xianglian" is a delicacy of Hunan cuisine among the eight major cuisines. There are also dishes such as "rock candy Sydney" and "rock candy bird's nest". Rock candy can be taken orally in decoction, accompanied by meals, or taken into pills and ointments. Rock sugar is sweet and flat, and enters the lungs and spleen; It has the effects of invigorating middle energizer, invigorating qi, harmonizing stomach and moistening lung; Rock sugar nourishes yin and produces body fluid, moistens lung and relieves cough, and has a good auxiliary treatment effect on lung dry cough, dry cough without phlegm and expectoration with blood; It can be used for treating cough and asthma, infantile malaria, mouth dysentery, aphtha and toothache caused by lung dryness, lung deficiency and wind-cold fatigue. [2] Rock sugar can be put into coffee, and it is sweet and delicious. Medicinal Chinese medicine believes that rock sugar has the functions of moistening lung, relieving cough, clearing phlegm and removing fire. It is also an auxiliary material for brewing pharmaceutical wine and stewing tonic. 1. Function: tonify middle energizer, invigorate qi, regulate stomach and moisten lung, relieve cough and eliminate phlegm. 2. Sexual taste: sweet, flat and non-toxic. Meridian tropism: entering lung and spleen meridians. 3. Efficacy: nourishing yin and promoting fluid production, moistening lung and relieving cough. 4. Indications: dry lung cough, dry cough without phlegm, expectoration with blood. It can be used for treating cough and asthma, infantile malaria, mouth dysentery, aphtha and toothache caused by lung dryness, lung deficiency and wind-cold fatigue. Rock sugar is flat, has the effect of relieving cough and resolving phlegm, and is widely used in high-grade tonics and health products produced by food and pharmaceutical industries. Old people can also relieve thirst by containing crystal sugar. Pharmacological effects: It can replenish water and sugar in the body, and has the functions of supplementing body fluids, supplying energy, supplementing blood sugar, strengthening the heart, promoting diuresis and detoxifying. Indications: its 5% solution is isotonic solution, which is used for all kinds of acute poisoning to promote the excretion of poisons; 10%~50% is a high solution, which is used for hypoglycemia and malnutrition, or for the treatment of heart failure, brain edema and pulmonary edema. Effective remedies for steaming duck eggs with auricularia auricula: take a little auricularia auricula, 1 duck egg and rock sugar. Add water and steam cooked food in a steamer twice a day, which can cure cough due to yin deficiency and lung dryness. This recipe is also effective for dry throat and less phlegm. Preservation method 1. Rock sugar should be placed in a cool and ventilated place because it is easy to absorb water and get wet. 2. If the crystal sugar is found to be damp, it can be dried by an electric fan or exposed to the sun until it is dry.