2. The role of Radix Paeoniae Rubra is to treat heat entering the blood, erythema, hematemesis and hematuria, red eyes and swelling, liver depression and hypochondriac pain, amenorrhea and dysmenorrhea, abdominal pain, traumatic injury, carbuncle and sore, and less speculation. After frying, the medicinal properties tend to be mild, and it can promote blood circulation and relieve pain, which is harmless. At the very least, it can be used to suppress pain.