Chinese herbal formulas for treating liver depression and qi stagnation include Chai Hu Shuo Liver San and Si Reverse San. Chai Hu Shuo Liver San is composed of Chai Hu, Chen Pi, Licorice, Paeonia lactiflora, Citrus aurantium, and Chuan Xiong, etc. It has the efficacy of dispersing the liver and regulating the qi, and treats pain in the coarseness and ribs, fondness for sighing, tightness in the chest, depression, and distension of stomach and epigastrium caused after liver depressions and stagnation of qi. It should be used with caution in pregnant women and the adverse effects are not exact. Sihui San is composed of Chai Hu, Citrus aurantium, Paeonia lactiflora and Glycyrrhiza glabra, which has the efficacy of dispersing the liver and regulating qi, and can be used clinically for the treatment of pain in the coercive and ribcage area, irritability, and distension of stomach and epigastrium caused by stagnation of liver depression and qi. Adverse reactions and contraindications are not exact. Medical advice and assistance is required for taking the above medications.