Yes, no.

The shelf life of tea is related to the variety of tea. Different teas have different shelf lives. The shelf life of sealed packaged tea ranges from 1 to 2 years. The shelf life of brick tea and fermented tea can reach more than 10 years. The aging quality of Yunnan Pu'er tea is better, and the shelf life can be as long as 10 to 20 years. Expired tea has not been opened, has not been affected by moisture, and the fragrance of the tea has not dissipated, so you can drink it. Otherwise, the nature of the tea will change, so it is best not to drink it.

Extended information:

Notes:

Do not drink tea for the first time: Because tea is contaminated by pesticides and other harmful substances during cultivation and processing, tea leaves There is always a certain amount of residue on the surface, so the first time the tea has a cleansing effect, it should be discarded. ?

Drinking tea on an empty stomach can dilute gastric juice and reduce digestive function. Coupled with the high absorption rate, a large amount of undesirable components in tea can enter the bloodstream, causing dizziness, palpitation, weakness in hands and feet, headaches and other tea drunkenness phenomena. ?

People's Daily Online - Do you know these two things about tea?