Liver qi stagnation (poor transportation of qi and blood in the liver, emotional depression) is often manifested by a thin white tongue coating. It is also accompanied by depression, irritability, distension and pain in the abdomen and ribs, or running pain, breast distension, chest tightness and discomfort, sighing, distension and pain in the epigastrium (abdomen), nausea (lack of appetite, reduced food intake) belching (hiccups), or a feeling of obstruction in the throat, irregular menstruation in women, dysmenorrhea and other symptoms. It is recommended that according to the different changes in their own conditions, under the guidance of a doctor to use the right medicine.