Sugar-free foods include eggs, fish, meat, seafood, bamboo shoots, onions, bean sprouts, spinach, mushrooms, fungus, laver and so on. Sugar-free food generally refers to sweet food without sucrose (sucrose and beet sugar) and glucose. However, sugar-free foods should contain sugar alcohols (including xylitol, sorbitol, maltitol, mannitol) and other substitutes. According to the national food safety standard GB28050-20 1 1 General Principles of Nutrition Labeling in prepackaged foods, "sugar-free or sugar-free" refers to the sugar content of solid or liquid food per 100 g or 100 ml.