Liver depression and yin deficiency is a term used in Chinese medicine, which can be divided into two concepts: liver depression and qi stagnation and liver yin deficiency. Liver depression and stagnation of qi can be seen in the usual easy to mope, depression, often feel chest tightness, easy to sigh, sighing after the feeling of chest tightness will be better, appetite will be significantly reduced, women will see breast swelling and pain, menstrual mid-term disorders, and menstrual cramps and other symptoms. Symptoms of Liver-Yin deficiency can be seen in dizziness, unclear vision, vision loss, sometimes feel a vague pain on both sides of the ribs, usually feel hot palms, feet, flushed, and often feel thirsty, easy to sleep at night sweating, also known as night sweating. Liver depression and yin deficiency are clinically interchangeable, meaning that liver depression and stagnation can lead to liver yin deficiency, while liver yin deficiency can also show symptoms of liver depression and stagnation.