There are some differences between the efficacy and effects of Chai Hu Shu Hepatosan and Free Pill. Among them, Chai Hu Shu Hepatosan has the efficacy of dredging the liver and regulating qi (regulating stagnation of liver qi), which is mainly used for treating the symptoms of stagnation of liver qi (liver qi is not smooth); while Free Pill has the efficacy of dredging the liver and strengthening the spleen (regulating the qi of liver and strengthening spleen), which is also used to tonify the spleen and nourish the blood. 1. Chai Hu Shun Liver Essence: mainly composed of Chai Hu, Xiang Fu, Rhizoma Ligustici Chuanxiong, Citrus aurantium, Paeonia lactiflora, Radix et Rhizoma Glycyrrhizae Praeparata and other traditional Chinese medicines, it has the efficacy of dispersing the liver and regulating the qi and activating blood circulation and relieving pain (relieving pain by dispelling stagnant blood circulation). 2. Free Pill: Containing Chai Hu, Angelica Sinensis, Radix Paeoniae Alba, Rhizoma Atractylodis Macrocephalae, Poria, Radix et Rhizoma Glycyrrhizae and other traditional Chinese medicines, this formula has the efficacy of dispersing the liver and strengthening the spleen, nourishing the blood to regulate menstruation (regulating menstrual irregularities caused by blood deficiency), and it can be used for the treatment of menstrual irregularities caused by liver depression and spleen deficiency, distension and pain in the chest and ribs (chest and ribs area), dizziness and dizziness and reduced appetite, etc. However, this formula is not recommended to be taken by people who suffer from colds and have menstruation overdose. Avoid eating raw and cold food. In addition, Chai Hu Shuo Liver San is a traditional Chinese medicine prescription, while Free Pill has now been made into a proprietary Chinese medicine, and the adverse reactions of the two are not yet clear. If you need to use, you should also be under the guidance of a physician’s diagnosis.