Saffron, also known as saffron and saffron, is mainly cultivated in Beijing, Shandong, Sichuan and Zhejiang. It has the effect of invigorating blood stasis, cooling the blood and detoxifying it, and relieving depression and calming the mind. According to the Compendium of Materia Medica, saffron has the ability to “relieve depression in the heart, and to invigorate the blood, and to make people happy when taken for a long time, and to cure palpitations”. The specific dosage is about 1-3 grams, decocted or taken in boiling water, which can be used to treat postpartum stagnation, as well as hair spots, madness, and even melancholy, etc. It can be treated. The flowers are very light, so the dosage is relatively small.