The vacuum-packed zongzi can be stored for 15 ~ 30 days. If it is kept in the refrigerator, it can be kept for half a year. If the vacuum-packed zongzi smells after being unpacked, it means that you can't eat the vacuum-packed zongzi, and you may have abdominal pain, diarrhea, dizziness, general weakness and other poisoning phenomena.

Zongzi, a steamed food made by wrapping glutinous rice with Zongzi leaves, is one of the traditional festival foods in China. Zongzi, as one of the traditional foods with the deepest historical and cultural accumulation in China, is widely spread. The custom of eating zongzi on Dragon Boat Festival has been popular in China for thousands of years, and spread to South Korea, Japan and Southeast Asian countries.