Tea expired should be consumed with caution, tea expired and then drink will have certain safety risks, expired tea brewing water to drink, may have adverse effects on the body. You can use the expired tea leaves smartly to remove the odor from the refrigerator or use it as plant fertilizer, etc. When tea leaves expire, not only will the composition change, but also the nutritional value will be gradually lost. Tea leaves that expire will slowly become wet, and will also have a moldy smell, producing mold or bacteria, and flavonoid toxin. Expired tea leaves tend to become crumbly, the leaves do not spread easily and do not have the fresh flavor of new tea. Drinking expired tea may trigger gastrointestinal discomfort and other discomforts, causing adverse effects on the body, so tea expired should be consumed with caution. In addition, if the tea storage temperature or environment is not suitable, when the tea has obvious discoloration, humidity and odor, although the tea is not expired, it may also suggest that the tea has deteriorated, and this kind of tea is also not recommended to drink again. You can put these tea leaves in the refrigerator or ashtray to absorb the odor, and you can also make tea pillows to use, or use these tea leaves as fertilizer for plants.