2. Generally, the shelf life of tea is two years, because after two years of shelf life, even if it is well preserved, the aroma of tea has been completely lost, but Fuding white tea is different. Just like raw Pu 'er, the longer it is stored, the more mellow the tea tastes. Known as one year of tea, three years of medicine and seven years of treasure. Generally, Fuding white tea can be regarded as old white tea, which is very rare for more than ten or twenty years.