Breast diseases occur mainly due to liver qi stagnation, or stomach heat congestion, or liver and kidney deficiency, or phlegm stagnation, or milk accumulation, or external evil invasion, etc., all of which can affect the physiological functions of the liver, kidney, spleen and stomach and cause lesions. Generally speaking, infectious breast diseases are caused by broken nipples, infected with poisonous evil, or eating fatty, sweet and thick-tasting food, resulting in heat accumulation in the spleen and stomach, or internal injury to the emotions and liver qi, resulting in milk stagnation and excretion disorders, which turn into heat over time and become abscesses due to heat decay. Tumor breast disease, mostly due to worry and depression, liver and spleen damage, gas stagnation and phlegm condensation and “nodules in the breast. 1, liver depression and gastric heat: due to liver qi discomfort, loss of the articulation; heat accumulation in the stomach meridian, obstruction of the meridian, stagnation of qi and blood, heat over time, resulting in local redness, swelling, heat and pain, and severe pain when pus is formed. 2, liver qi depression: emotional and mental discomfort, worry and depression, resulting in liver qi discomfort, loss of articulation, qi discomfort, stagnation of qi and blood stasis; liver depression and loss of spleen health, phlegm and internal growth, qi stagnation, phlegm and stagnation of each other and become swollen nucleus. 3, liver and kidney deficiency: due to congenital deficiency or loss of nurturing, resulting in liver and kidney deficiency, dysregulation of the flush, lack of essence and blood, kidney essence can not nourish the liver wood, easily resulting in liver fire rising, fire burning Jin for phlegm, phlegm and stagnation of each other into lumps. Its growth and development are often related to development, menstruation, pregnancy, etc. The swelling and pain are often aggravated before menstruation. 4, Yin deficiency phlegm coagulation: due to lung and kidney yin deficiency, resulting in yin deficiency fire, refining fluid for phlegm, phlegm and fire knotted in the breast through the meridian, the lump skin color is unchanged, slightly painful, pus is slow to suppurate, pus is clear and thin.