1, different sweetness: rock sugar is made of white sugar, saccharin is a synthetic sweetener, and the sweetness of saccharin is 600 times that of white sugar.
2, the effect is different: rock sugar is warm and has the effect of relieving cough and resolving phlegm. Rock sugar in the elderly can relieve thirst, and saccharin is used in food industry, toothpaste, cigarettes and cosmetics.