The physiological characteristics of liver qi stagnation is happy to be organized and evil depression, liver five elements with the genus wood, like the branches of trees in the spring as soft, do not make a mess. If liver qi is depressed for a long time, it is easy to have a variety of problems, including the following: 1, easy to bad mood, depressed, or qi depression into fire, easy to anger, the most important point is that family relations, friends do not benefit; 2, after the liver qi is too strong, liver qi depression easy to grasp the spleen and stomach, stomach distension, acid reflux, and even bowel irregularities and other digestive system problems; 3, if liver qi depression entrained phlegm, easy to appear common problems such as thyroid nodules and breast enlargement. Women with liver as the precursor are prone to PMS, irritability, irritability, breast swelling and pain, and even prone to dysmenorrhea and other conditions.