Liver qi stagnation (poor qi and blood transportation of the liver, emotional depression) can be caused mainly by emotional disorders, feeling external evils and other factors. 1. Emotional disorders: Liver qi stagnation is a disease caused by the liver’s lack of detachment (abnormal function of the liver’s detachment), qi dysfunction, its occurrence is closely related to people’s mental factors, if the long-term emotional disorders (emotional upset), can directly affect the liver’s detachment function, resulting in the human body’s qi elevation and movement is not normal, and the hair for the liver qi stagnation. 2. Feeling external evils: If dampness, heat and epidemiological toxins invade the body and damage the liver, they can also affect the liver’s excretory function, resulting in the stagnation of the body’s qi, which leads to the symptoms of Liver-Qi stagnation. Liver qi stagnation can be mainly manifested as depression, irritability, like too much breath, chest and ribs (chest and rib area of the collectively referred to as) abdominal distension or pain, or women’s breasts for swelling lumps, menstrual disorders, dysmenorrhea, amenorrhea, etc., and its treatment should be in the physician’s evidence under the guidance of the day-to-day should also pay attention to the regulation of emotional conditioning.