If saffron is taken as prescribed by the doctor, it is beneficial to the liver, as it can activate blood circulation and remove blood stasis (promoting blood circulation and eliminating blood stasis in the body), cool the blood and detoxify the toxin (referring to the treatment of blood-heat and toxicity), and so on. However, overdose of the drug or taking the drug incorrectly may damage the liver. Saffron is sweet in taste and flat in nature, it enters the liver meridian and blood division, it is good at activating blood stasis and removing blood stasis, clearing up menstruation and eliminating symptoms, and it is strong and effective, therefore, it is often used in the treatment of dysmenorrhea caused by blood stasis, dysmenorrhea, irregular menstruation, impurity of post-partum discharge, lumbar and abdominal pain, abdominal pain and pain of lumps, and pain and swelling in bruises and injuries. Saffron enters the liver meridian and blood division (in the four periods of warm disease Wei Qi and Ying Blood, belonging to the most in-depth stage or disease), not only activates blood circulation and removes blood stasis, but also cools the blood and detoxifies the toxin, especially suitable for the warm toxin and heat, body rash. It can be used alone to cool the Blood and remove toxins, or paired with heat-clearing and detoxifying products such as Da Qing Ye and Ban Lan Gen. Measles heat and blood depression, measles or rash is not fast, or rash is too dense, rash color is dark and not fresh, often with comfrey, red peony and so on. Saffron enters the heart meridian, activates blood circulation and can disperse depression and open the knot, stabilize the mind. It can dispel depression, eliminate lumps and fullness, and stabilize the mind and spirit in cases of depression, unresolved anger and chest tightness, which may lead to restlessness, palpitation and trance, or insanity. Saffron nature of cold, weak spleen and stomach should not drink more, and its blood circulation and stasis effect is significant, pregnant women, easy to bleed patients need to be careful to use. Its adverse reactions are not clear, it is recommended to apply under the guidance of a professional doctor, avoid taking medication privately.