Temporary warehousing means items (food) that are about to expire in stock, and most businesses will use them for promotions. Expired food refers to food that is about to reach its shelf life but is still within its shelf life. It belongs to the category of safe food. For example, the "expiry date food counter" in supermarkets sells expired food.

On January 27, 2012, the State Administration for Industry and Commerce issued a document clearly requiring that food operators should provide consumers with eye-catching reminders of food that is about to expire. In other words, food that has reached the critical shelf life needs to be notified. customer and sold separately.

Common sources of expired food:

1. Many large supermarkets will return some of the expired food to suppliers in exchange for new products.

2. Some manufacturers have serious homogeneity of their products, poor sales and overstocked inventories.

3. Some dealers give up the agency of a certain brand and choose to clear their stocks.