1, aging time: white tea refers to fresh tea leaves after withering, drying and other processes made of new tea, without long-term storage and transformation, to maintain the original aroma and fresh taste of tea, the old white tea refers to the white tea after a certain number of years of natural aging of the product, generally believed that aging time of more than 3 years to be known as the old white tea. 2, flavor characteristics: the old white tea After years of precipitation, has a mellow fragrance, soup color red, taste sweet, smooth taste characteristics, often with medicinal incense or jujube incense, health care efficacy is outstanding; while the new white tea is milli-fragrance honey rhyme, soup color light yellow, taste fresh, sweet and long long, to maintain the original tea aroma and fresh taste.