1, expelling cold and relieving pain. Osmanthus fragrans has a pungent taste, and its warm nature can dispel cold and relieve pain. It can be used to treat cold and cold, epigastric cold pain, cold hernia and abdominal pain, amenorrhea and dysmenorrhea, rheumatic muscle and bone pain, lumbago, toothache due to kidney deficiency and so on, and has a good curative effect. 2, in addition to oral odor. Osmanthus fragrans is fragrant and pleasant. Drinking it in water can make people's teeth stay fragrant, refresh their breath and remove oral odor.