Blood activation is a concept in Chinese medicine. Food is weak in blood activation, so blood activating herbs are commonly used. Common blood-activating herbs include saffron, Salvia divinorum, and Turbinaria divinorum. 1. Saffron is pungent and warm in nature. It belongs to heart and liver meridians. It has the efficacy of activating blood circulation, dispersing blood stasis and relieving pain, and is mainly used for the menstrual blockage of blood stasis, dysmenorrhea, post-partum vaginal stasis, abdominal pain with stagnation, thoracic and hypochondriac pain, bruises, etc. Saffron is not suitable for pregnant women; for those with bleeding tendency, it can be used as a treatment. Pregnant women should be cautious; those with bleeding tendency should not use it more often. 2. Salvia miltiorrhiza is bitter and slightly cold in nature. It belongs to heart and liver meridians. It has the effects of activating blood circulation, removing blood stasis, clearing menstruation and relieving pain, clearing the heart and removing vexation (removing vexation and heat in the heart), cooling blood and eliminating carbuncles (eliminating carbuncles and swellings by clearing and cooling the blood). It is mainly used in treating menstrual disorders with blood stasis and obstruction, dysmenorrhea and menstrual closure, postpartum abdominal pain, epigastric (abdominal) dystocia (pain in the area of coeruleus and ribs), bruises, etc. It is not suitable to be used in conjunction with Veratrum. 3. Turbellaria, salty and cold in nature; slightly poisonous. It belongs to the liver meridian. It has the effect of breaking blood and removing blood stasis, renewing tendons and connecting bones. It is often used in treating bruises, fractures, blood stasis and menstrual occlusion, postpartum stasis and abdominal pain. It is not suitable for pregnant women. Seek medical advice in case of discomfort, and use the medicine after identification by a traditional Chinese medicine practitioner, do not take the medicine on your own.