Saffron should not be drunk every day, because saffron has the effect of activating blood stasis, cooling the blood and detoxifying it, relieving depression and calming the mind, it is a strong medicine for activating and cooling the blood, therefore it is not recommended to drink it every day, it is easy to have side effects such as bleeding. Saffron is mainly used for women with dysmenorrhea, amenorrhea, low menstrual flow and pain in the small abdomen caused by stagnant blood stasis blocking the uterus after childbirth. It can also be used to treat a series of symptoms such as suffocation, pain in the heart and chest, swelling and pain in the hypochondrium, difficulty sleeping and palpitations caused by stagnant blood stasis blocking the meridians. It is prohibited for people with bleeding tendencies, such as patients with cough, coughing up phlegm, coughing up blood, nasal cavity bleeding easily, as well as pregnant and lactating women.