The main effects of saffron include activating blood circulation and removing blood stasis (promoting blood circulation and eliminating blood stasis in the body), regulating menstruation, relieving depression and tranquilizing the mind, and dredging the liver and gallbladder (dredging the liver and gallbladder’s qi). 1. Activating blood circulation and removing blood stasis to regulate menstruation: Saffron has strong effect of activating blood circulation and removing blood stasis, and has remarkable effect of activating channels and collaterals, so it is often used for surgical bruises and injuries. Because of its remarkable effect in regulating menstruation, it is often used in gynecological diseases such as menstrual closure, post-partum abdominal pain with blood stasis and incomplete discharge. 2. Relieving depression and tranquilizing the mind: Saffron enters the heart and liver meridians, for liver depression and stagnation of qi (the liver’s qi and blood transportation is not smooth, depression), heart qi stagnation and other diseases, it can play the effect of lowering the reverse qi to play the role of tranquilizing the mind. 3. Liver and gallbladder relief: Saffron can promote the discharge of stagnation in the body, increase lipid metabolism, improve microcirculation, promote the recovery of the gallbladder’s function, and protect the liver and gallbladder. Saffron’s function of activating blood circulation and removing blood stasis is strong, so patients with bleeding tendency and pregnant women need to use it with caution. Its adverse effects are not clear, and it is recommended to use it under the guidance of physician.