Saffron can be drunk in a thermos cup. The inner shell of the thermos is mainly made of stainless steel, which is chemically stable. Saffron contains medicinal components are also more stable, with insulation cups soak saffron generally will not have too great an impact. In addition, soak saffron can also choose glass and ceramic cups, these cups are also chemically stable, not easy to react with the ingredients within the saffron. Saffron should be brewed in boiling water, high temperature conditions can promote the release of the medicinal properties of saffron into the water, the amount of saffron should not be too much, the drug has the ability to activate the blood circulation to eliminate blood stasis, cool the blood to detoxify (refers to the treatment of blood heat and toxicity of the method), dispel depression and open up the efficacy of the knot, pregnant women should be cautious to use. Saffron should be used under the guidance of a professional physician, and should not be taken blindly on its own to prevent adverse effects.