Bei Chai Hu, or Bupleurum Chinense, is used for treating colds and fever, cold and heat, chest and ribs distension, menstrual irregularities, uterine prolapse, prolapse of the anus, and other conditions, and its side effects are not known. Chai Hu is pungent, bitter and slightly cold in nature, and belongs to the liver, gallbladder and lung meridians. It has the efficacy of relieving symptoms of fever, relieving the liver and relieving depression (treating depression by unblocking the liver’s qi), and elevating the yang and benefiting the qi. Clinically, Chai Hu can be used to treat symptoms of Shaoyang syndrome such as cold and heat, bitter mouth and dry throat; symptoms of Liver Depression and Qi Stagnation (poor transportation of Qi and blood in the liver and depression) such as distention and pain in the chest and hypochondrium, moodiness and loss of appetite; symptoms of Zhongqi insufficiency (weakness of Qi in the spleen and stomach) such as heavy fall and bloating of the epigastric region (abdomen), low appetite and tiredness, prolonged diarrhea and prolapse of the anus, uterine ptosis, and renal ptosis. This product should not be used by those with yin deficiency and hyperactivity of yang (deficiency of yin fluid and hyperactivity of yang), internal movement of liver wind, yin deficiency and hyperactivity of yin and fire (deficiency of yin essence in the body and hyperactivity of deficiency and fire), or those whose qi is reversed. When discomfort occurs, it is necessary to consult a doctor in time and choose medication under the guidance of physician’s diagnosis, do not use medication on your own to avoid delaying the condition.