Not very clear, only know that the cangdongzi tea, cangdongzi 12 grams, 9 grams of hyacinth, 13 white onion, tea 12 grams, with boiling water into tea drink service. There are antibacterial, nasal efficacy, in addition, there are cattail tea: 2 grams of cattail, 6 grams of Su Ye, with boiling water as a tea drink. Usually need to enhance the resistance of their nose, I recommend drinking with the herb to remember the濞 Bitong tea, two cups a day, so you can breathe easily.