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 stomach heat: due to liver qi discomfort and loss of circulation; heat accumulation in the stomach meridian, obstruction of the meridians, stagnation of qi and blood, and heat over time, resulting in localized redness, swelling, heat and pain, and severe pain when pus is formed; 2, liver qi stagnation: poor emotion and depression, resulting in liver qi discomfort and loss of circulation; qi discomfort results in qi stagnation and blood stasis; liver depression results in spleen loss of health, resulting in phlegm, and qi stagnation, phlegm and stasis become mutual nuclei; 3, liver and kidney deficiency: due to congenital deficiency The liver and kidney deficiencies, the lack of regulation of the flush, the lack of essence and blood, and the inability of the kidney essence to nourish the liver wood, easily lead to the rise of liver fire, and the fire burns the fluid to become phlegm, and the phlegm and stagnation of each other become masses. Its growth and development are often related to development, menstruation, pregnancy, etc. The swelling and pain is often aggravated before menstruation; 4. Yin deficiency and phlegm coagulation: due to lung and kidney yin deficiency, resulting in yin deficiency and fire, refining fluid as phlegm, phlegm and fire in the breast through the meridians, the lumps have unchanging skin color, slightly painful, sluggish pus, and clear and thin pus.