Liver qi stagnation is mainly due to the loss of drainage of the liver, depression of the emotions and qi flow, the symptoms are: depression of the emotions, good tai hui, pain in the chest and hypochondrium, distention and fullness of the abdomen, unstable movement, or foreign body sensation in the throat, or may appear gall tumor in the neck, or lumps under the dorsum, women may see breast pain, irregular menstruation, dysmenorrhea and other symptoms. The tongue is thinly coated with white fur and the pulse is stringent. If the mood is prolonged, it may lead to depression. It may also lead to thyroid disorders, such as hyperthyroidism, thyroiditis, and thyroid nodules.