Different colors: old rock candy is mainly divided into white, light yellow, light gray by color. And white rock sugar is basically white. Different production methods: the old rock sugar is sugar intermediate product syrup or finished sugar as raw material, by adding water to dissolve, remove impurities, clear juice, evaporation, concentration and add the appropriate crystallizing agent, and then gradually cooled and crystallized. Rock sugar is white granulated sugar decocted into ice-like crystals. Different methods of use: the old rock sugar in cooking has the role of color, the need to stir-fry sugar color, with the old rock sugar taste more natural. And white rock sugar is easy to melt, cooking green bean soup, tea is more convenient.

1, the color is different: the old rock candy according to the color is mainly divided into white, yellowish, light gray. And white rock candy is basically white.

2, different production methods: the old rock sugar is sugar intermediate product syrup or finished sugar as raw materials, by adding water to dissolve, remove impurities, clear juice, evaporation, concentration and add appropriate crystallizing agent, gradually cooling crystallization made. Rock sugar is white sugar decoction into ice-like crystals.

3, the use of different methods: the old rock candy in cooking has the role of color, the need to stir fry sugar color, with the old rock candy taste more natural. White rock sugar is easy to melt, cooking green bean soup, silver ear soup, tea is more convenient.

4, the size is different: due to different production processes, usually the old rock candy than white rock candy shape.