The shelf life of food refers to ensuring the quality of this food within a valid time, and scented tea is a kind of dry tea, and there is no strict requirement on the shelf life. Generally speaking, expired scented tea can't be drunk if it is moldy, moth-eaten or rotten. Nutrients decrease or disappear, breeding toxic substances. If eaten, it will not only taste bad, but also cause diseases. It will lead to gastrointestinal reaction, and in severe cases, it will lead to nausea, vomiting and diarrhea.

Types of scented tea:

1. Jasmine tea: Jasmine tea, also known as jasmine, belongs to scented tea, and the tea embryo is green tea. The finished product is also a kind of green tea after jasmine is removed.

2. Magnolia tea: Magnolia tea refers to the use of high-quality Wuzhishan spring tea and high-quality magnolia as raw materials, carefully prepared, with unique aroma and mellow taste.

3. Osmanthus fragrans scented tea: It is made of high-quality green tea and high-quality Jin Guihua through a series of processes such as scenting and mixing. Shaped like green leaves decorated with golden flowers, the soup is golden yellow and bright.

4. Cynthia scented tea: It is made of high-quality green tea such as Huangshan Mao Feng, Huizhou Baking Green, Laozhu Dafang, etc. as tea base and mixed and scented. Zhu Lan scented tea is fragrant and elegant, fresh and lasting.

5. Rose tea: Rose tea is a kind of scented tea in China, which is made by scenting tea and roses. Tea blanks for rose tea include black tea and green tea.