Xuan Shen and Bai Shao differ in terms of efficacy, action and contraindication, which are analyzed below. 1. Efficacy: Radix Panax Ginseng is effective in clearing heat and cooling blood (relieving blood heat by clearing heat), nourishing yin and lowering fire (nourishing yin essence and lowering fire), and detoxifying and dispersing knots. White peony is used to nourish Blood and regulate menstruation (regulating menstrual disorders caused by Blood deficiency), astringing Yin and stopping sweating (astringing Yin fluid and reducing sweating), softening the Liver and relieving pain (treating pains caused by Liver-Yin deficiency and Liver-Blood insufficiency), and calming Liver-Yang. 2. Effects: Xuan Shen is used in the treatment of heat entering the camp and blood (the degree of invasion of heat evil into the body is deep and the symptoms are heavy), warm poisonous spots (the invasion of warm and hot poisonous evil into the body leads to the appearance of spots and plaques on the skin), heat diseases that injure the yin, tongue with reddish-red color and irritable thirst, constipation caused by injuries to the fluids, bone vapor and laborious coughing, redness of the eyes, sore throat, diphtheria, scrofula (mainly refers to tuberculosis of lymph nodes in the neck), carbuncle, swelling, sores and poisoning, and so on. Paeonia lactiflora is used in the treatment of blood deficiency, menstrual disorders, spontaneous sweating (involuntary sweating during the daytime, aggravated by sweating with a little movement), night sweating (sweating abnormally after going to sleep, sweating stops after waking up), dystocia (pain in the area of the coxa and the ribs), abdominal pain, contractural pain in the limbs, headache, vertigo and other diseases. 3. Contraindications: Xuan Shen is contraindicated in cases of loose stools in the spleen (thin and unformed feces) and dampness in the spleen and stomach. White peony should not be taken by people with abdominal pain and diarrhea. Both of them should not be used together with Veratrum. If you need to use the drug, it is recommended to go to the hospital under the guidance of a medical professional.