Icing sugar is the crystallization of granulated sugar reproductions. There are white, yellowish, reddish, crimson and other colors, crystallized as ice, so the name rock candy. China in the Han Dynasty has been produced. Transparent rock sugar is the best quality, pure, few impurities, sweet taste, translucent second. Can be used for medicinal purposes, can also be used as candy to eat. Rock sugar has the efficacy of generating fluids and moistening the lungs, clearing heat and removing toxins, relieving cough and phlegm, and facilitating the pharynx and lowering turbidity. Can be used for the treatment of loss of appetite, dry lung cough, asthma, dry mouth and thirst, sore throat, hypertension and other diseases. It can be consumed by the general public, and is contraindicated for diabetic patients. No more than 30 grams per day. Icing sugar itself is not harmful to the body, but like many good things, can not eat more. Control the amount of good