With the development of society, food safety has become more and more standardized, so many foods have been discontinued.

Food quality and safety refers to the degree to which food quality ensures the health and safety of consumers. Including three aspects: first, the quality and safety problems caused by food pollution. For example: biological pollution, chemical pollution, physical contamination, etc. The second is the quality and safety problems brought about by the technological development of the food industry. Such as: food additives, food producers, media, radiation food, genetically modified food, etc. The third is the abuse of food labels. Examples: forged food labels, lack of warning instructions, false labeling of food functions or ingredients, and lack of Chinese food labels (imported food).