1, Pu 'er cooked tea, Pu 'er old tea and coarse old white tea are more suitable for soaking in a thermos cup.

2, stuffy Pu 'er cooked tea, Pu 'er old tea can increase the mellowness of tea soup, and the aroma of tea soup will be richer and more mellow than brewing; Some tea soups brewed with white tea will also have jujube fragrance and medicinal fragrance, and the processing technology of white tea is also different from other teas.