Saffron is sweet and flat, also known as saffron and crocus. The main function of crocus sativus is to promote blood circulation, remove blood stasis, relieve depression and soothe the nerves. It is often used in clinic to treat anxiety, stagnation, blood stasis, vomiting blood, fright and madness. Saffron has the functions of protecting liver, lowering blood pressure, lowering blood lipid, preventing arteriosclerosis and regulating immune function. Crocus sativus can also be used for women with amenorrhea, irregular menstruation and postpartum abdominal pain due to blood stasis. Pregnant women, women with excessive menstrual flow, and patients with digestive tract ulcers or bleeding symptoms should ban saffron.