Saffron put three years if properly preserved usually still drink, if there is moisture, mold, etc., it is not recommended to continue to drink, so as not to adversely affect the body, it is recommended to take before consulting a physician. Saffron has the effect of activating blood circulation and removing blood stasis, cooling the blood and detoxifying the toxin, relieving depression and tranquilizing the mind. It is used for treating menstrual obstruction, postpartum stagnation, depression, palpitations and madness. 1. Blood stasis: Saffron is sweet in taste and flat in nature, it enters the liver meridian and blood division (in the four periods of warm disease, it belongs to the most in-depth stage or position), it is good at activating blood circulation and removing blood stasis (to promote blood circulation and eliminate blood stasis in the body), promoting menstruation and eliminating the symptoms of symptoms, it is also strong and effective, so it is often used in the clinic for dysmenorrhea due to blood stasis, menstrual closure, menstrual irregularities, post-partum uncleanness of the evil discharge and pain in the waist and abdomen. 2. Warmth and heat, spotting and rash: Saffron enters the liver meridian and blood division, not only activates blood circulation and removes blood stasis, but also cools the blood and removes toxins (refers to the treatment of blood heat and toxins), especially suitable for warmth and heat, spotting and rash. It can be used alone to cool blood and remove toxins, or paired with products that clear heat and remove toxins (removing heat and toxins from the body), such as Da Qing Ye and Ban Lan Gen. 3. Evidence of various kinds of lumps and knots: Saffron enters the heart meridian, activates blood circulation and can disperse depression and open knots, stabilizing the heart and mind. It can dispel depression, eliminate lumps and fullness, and stabilize the mind and spirit in cases of depression, unsettledness and chest congestion, which may lead to restlessness, palpitation and trance, or insanity. Pregnant women are advised to use it with caution. It is recommended to take saffron according to medical advice.