The function of liver is to regulate qi, store blood and regulate blood volume. Liver and gallbladder govern emotions; Liver depression: refers to liver depression, anger, depression, stagnation, depression and depression caused by emotion. It leads to qi stagnation or failure, and the function of liver regulating qi stagnation is abnormal. Chinese medicine says that qi stagnation will lead to blood stasis, and blood stasis will lead to qi stagnation! Liver and spleen function harmoniously, * * * maintains the normal function of human body. Spleen governs qi, produces blood and transports water, which is wet and slight. After the spleen "qi" is produced, it is necessary to rely on the liver to regulate qi, and the liver is out of balance, and the spleen functions abnormally or slows down, resulting in the dysfunction of the spleen. Therefore, the liver and spleen perform their respective duties and cooperate with each other. Maintain normal physiological functions of the human body. So; Prolonged liver depression will lead to spleen dysfunction, which will lead to spleen deficiency.
Liver is wood, spleen is soil, and liver depression and soil will hurt, which is also the reason why liver depression and spleen will be deficient from yin and yang.