It can be washed, but it is not the best. Osmanthus fragrans is best dried and then soaked in hot water, because the cells in fresh plants are not completely dead, and the substance that constitutes living cells is a viscous liquid in vernacular Chinese. When cells die after being scalded by hot water, that substance will deteriorate, which is not good for the skin. But the role of osmanthus fragrans is: it has a refreshing effect. Osmanthus fragrans is slightly scalded in boiling water, and then picked up and dried. Crushed with white sugar and sealed in a bottle to keep its color and fragrance. It can be used as a food spice. Mix sweet-scented osmanthus and pure lotus root starch with white sugar to make sweet-scented osmanthus lotus root starch, which is delicious and appetizing. Take the best dates and cook them with sugar. When the soup is almost finished, add osmanthus, that is, osmanthus jujube that strengthens the spleen and appetizes. Traditional Chinese medicine believes that osmanthus fragrans is warm and pungent, and can be taken orally by decocting, making tea or soaking in wine, which can resolve phlegm and dissipate blood stasis, and has certain curative effects on anorexia, excessive phlegm, cough and asthma, intestinal wind and blood dysentery, amenorrhea and abdominal pain. Guizhi, Guizhi and Guizhi can all be used as human medicine. Guizhi decoction is made of cassia twig, white peony root, ginger, jujube and licorice, and is specially used to treat exogenous wind-cold, fever and headache. Cinnamon root tastes sweet and slightly astringent. Osmanthus fragrans, a plant of Oleaceae, has a pungent taste and warms the meridians into the lungs and intestines. "Hernia" refers to abdominal pain, and "running dolphin" refers to rushing back to the chest due to kidney cold or liver fire to achieve colic in throat and abdomen, chest tightness and shortness of breath, dizziness, palpitation, intestinal gas accumulation, hyperactivity or spasm, phlegm, saliva and cough. Regular consumption is obviously helpful for beauty and skin care. The ancients believed that osmanthus fragrans was the best medicine, so the wine brewed with osmanthus fragrans could achieve the effect of "drinking for thousands of years". For example, in the Han Dynasty, osmanthus wine was a good product for people to worship their ancestors. After the sacrifice, the younger generation respects the elders with osmanthus wine, which symbolizes longevity. Osmanthus fragrans can beauty beauty, relieve sore throat and moisten throat, improve symptoms of excessive phlegm and cough, and treat duodenal ulcer, reed rash, stomach cold and stomachache, halitosis and blurred vision. Osmanthus tea has a refreshing effect. Osmanthus fragrans is slightly scalded in boiling water, and then picked up and dried. Crushed with white sugar and sealed in a bottle to keep its color and fragrance. It can be used as a food spice. Mix sweet-scented osmanthus and pure lotus root starch with white sugar to make sweet-scented osmanthus lotus root starch, which is delicious and appetizing. Take the best dates and cook them with sugar. When the soup is almost finished, add osmanthus, that is, osmanthus jujube that strengthens the spleen and appetizes. Traditional Chinese medicine believes that osmanthus fragrans is warm and pungent, and can be taken orally by decocting, making tea or soaking in wine, which can resolve phlegm and dissipate blood stasis, and has certain curative effects on anorexia, excessive phlegm, cough and asthma, intestinal wind and blood dysentery, amenorrhea and abdominal pain. Guizhi, Guizhi and Guizhi can all be used as human medicine. Guizhi decoction is made of cassia twig, white peony root, ginger, jujube and licorice, and is specially used to treat exogenous wind-cold, fever and headache. Cinnamon root tastes sweet and slightly astringent.