Boil until all the sugar to melt, water evaporation, thick soup, stirring constantly. Add white vinegar from the fire at the right time, join the hawthorn quickly stir fry, start sticky, do not worry, one will slowly turn white, stir fry do not stop, or sugar will be completely cooled together on the stick together, do not hurry, slowly Come, for a while your sugar ball hung on the snow, Come on!