Attributed to the heart, liver and kidney meridians, Peony Dan Pi has the effects of clearing heat, cooling blood (relieving blood heat by clearing heat), activating blood circulation and removing blood stasis (promoting blood circulation and eliminating blood stasis in the body), and clearing both heart and liver fires. Mudanpi is slightly cold in nature, bitter and pungent in taste, with the efficacy of clearing heat and cooling blood, activating blood circulation and removing blood stasis. It is used in the treatment of heat entering the camp and blood (the degree of invasion of heat into the human body is deep, and the symptoms are more serious), warm-heat poisonous spotting (the warm-heat poison invading the human body resulting in the appearance of spots and plaques on the skin), vomiting epistaxis, nocturnal heat and early coolness, no sweating and bone vaporization, menstrual closure and painful menstruation, injury of bruises and injuries, carbuncle, swelling, sores and poisoning. The adverse effects of Mudanpi are not clear, but blood deficiency with cold, menorrhagia and pregnant women should not use this product. If you need to use this product, it is recommended to consult a professional Chinese medicine practitioner and not to use it blindly on your own.