Rock sugar for food and medicine substances, as food, rock sugar tea only has the effect of replenishing energy and some nutrients, increase the sweetness of the tea. As a drug, there is a tonic (through the spleen method of treatment of qi deficiency), and the stomach and lungs (reconcile the stomach and nourish the lungs), cough and phlegm effect, can play an auxiliary improvement of lung dryness, lung deficiency, wind and cold caused by cough and asthma and other diseases. If you use rock sugar as food, nutritional research has found that every 100g of rock sugar contains roughly 1688 kJ of energy, 99.3g of carbohydrates, 23mg of calcium, and a small amount of potassium, sodium, iron, magnesium and other nutrients. In addition to increasing the taste of tea, rock sugar can also provide energy and a small amount of nutrients for human life activities. If you use rock sugar as medicine, rock sugar is sweet and flat, non-toxic, can enter the lung and spleen two meridians, there is a tonic in the qi, and the stomach and moisten the lungs, cough and phlegm effect. Rock sugar tea on dryness, lung deficiency, wind-cold exhaustion caused by coughing, mouth sores, wind-fire toothache, pediatric malaria and other diseases have a certain auxiliary role in relieving. Icing sugar as food is not suitable for people with high blood sugar. For medicinal herbs usually need to be paired with other drugs, specific medication, need to follow the instructions of the doctor.