Studies have shown that negative emotions can cause an absolute or relative excess of estrogen secreted by the hypothalamus, pituitary gland, and ovaries, leading to the development of breast diseases. Long-term tension in work and study, incompatibility in interpersonal relationships at work and at home, and major misfortunes in life can lead to frequent mood swings and changes. Women in this negative emotional tension for a long time, because they do not get the maximum relief, the proportion of breast disease is much higher than other causes of breast disease patients. When a person is optimistic and happy, the body is in good condition through biochemical processes that increase the number of health-friendly chemicals in the blood, such as hormones, enzymes and acetylcholine, which play a role in regulating blood flow and excite nerve cells. And when a person’s mood fluctuates and produces negative sadness beyond the normal physiological limits, it can cause physiological disorders and lead to disease. Keep an optimistic and relaxed mind, keep a calm state of mind, make the mood relaxed, the liver qi flowing, the qi and blood in the veins harmonizing smoothly, breast disease will not find you. Breast disease and female sexual life also has a very important connection, female sexual repression can increase the chances of breast disease. In the female sexual response cycle, there are obvious changes in the breasts, such as erect nipples and enlarged and swollen breasts. Sexologists believe that women who are always sexually aroused but cannot achieve orgasm will feel extreme physical discomfort, and the sexual tension that fails to be released can easily evolve into cramps and pain. Therefore, maintaining a harmonious and regular sex life as a couple can eliminate factors that are detrimental to breast health.