Liver Depression is short for Liver-Qi Stagnation (poor Qi and blood transportation in the liver, emotional depression), which is mainly caused by emotional upset or stimulation, with symptoms such as depression, irritability, swelling and pain in the lower abdomen or ribs and wounds. Liver qi is the main promoter and organizer, and it is often caused by emotional upset or mental stimulation or tension, resulting in liver qi discomfort, qi stagnation (obstruction of qi’s operation), and dysfunction of the liver’s detoxification function. Clinical manifestations are depression or irritability, loss of appetite, distension and pain in the abdomen, ribs or breasts, chest tightness, belching (hiccups), or even a foreign body sensation in the throat, vomiting, swallowing, thin white moss, and stringy pulse. The treatment is to relieve the liver of depression (treating depression by unblocking the liver’s qi), and to regulate the emotions and moods, with commonly used drugs such as Chai Hu, Acacia Pi, Citron, Neem Zi, etc.; the representative formula is mainly Chai Hu Liver Relief San. If symptoms of liver depression occur, the medication should be standardized under the guidance of a professional doctor, and the mood should be kept happy.