Salvia miltiorrhiza and Rhizoma Ligustici Chuanxiong differ from each other in terms of flavor and attribution, efficacy and primary treatment. For example, Salvia miltiorrhiza has the efficacy of promoting blood circulation, removing blood stasis, clearing menstruation and relieving pain, clearing the heart and removing vexation (removing vexation and heat within the heart), cooling the blood and eliminating carbuncles (eliminating carbuncles and swellings by clearing the blood); Rhizoma Ligustici Chuanxiong has the efficacy of promoting blood circulation and promoting qi circulation, removing wind and relieving pain (dissipating wind evils and relieving pains in the muscles and bones). Salvia miltiorrhiza, bitter in flavor, slightly cold in nature. Attributed to the heart and liver meridians. It is used in treating chest paralysis (stuffy pain in the chest), heart pain, hypochondriac (abdominal) dystocia (pain in the area of the coxae and ribs), obstruction in the abdomen (the appearance of tangible or intangible lumps in the abdomen, with a feeling of distension and pain), paralysis by heat (often manifesting as burning, pain, redness and swelling of the joints and muscles) and pain, disturbed heart and sleeplessness, menstrual disorders, etc. It is not suitable for use with veratrum. It should not be used in conjunction with Veratrum. Chuanxiong, pungent in flavor, warm in nature. Attributed to the liver, gallbladder and pericardium meridians. It is used in treating chest paralysis and heartache, stabbing pain in the chest and ribs, swelling and pain in bruises, irregular menstruation, dysmenorrhea and menstrual cramps. It is contraindicated for people who have deficiency of yin and fire (deficiency of yin and essence in the body and hyperactive fire), upper and lower deficiency (headache and irritability in the upper part of the body and lumbago and frequent urination in the lower part of the body), and those who are weak in qi. If you need to use the medicine, you need to go to the hospital after the doctor’s diagnosis, follow the doctor’s instructions.