1, pay attention to the correct posture: usually walk to head up chest, abdomen, tight buttocks; sitting should also be sitting chest, do not hunchback; sleep to take the supine position or side position, should not be prone.

　　2, avoid trauma: in labor or sports, pay attention to protect the breast, avoid impact or extrusion.

　　3、Strengthen the chest muscle exercise: such as some appropriate chest expansion exercise, push-ups or chest expansion aerobics.

　　4, chest massage: adhere to the appropriate morning and evening massage of the breast, promote the role of nerve reflex, improve the secretion of the pituitary gland.

　　5, to ensure breast nutrition: not one-sided pursuit of curves and blindly diet, partiality, intake of protein food, can increase the amount of fat in the chest, to maintain the fullness of the breast.

　　6, choose the right underwear: bra can make the breast more stable fixed chest without sagging. Breast sagging not only affects the beauty and will make the lower part of the breast blood stagnation, and cause breast disease, or even local necrosis. Breasts for a long time because the bra is too small pressure, tight, easy to become chest deformity, hindering the development of breasts, so the choice of bra should be wide rather than tight.

　　7, maintain a happy mood: all kinds of pressure and mental factors can make the body's internal environment changes, so that the body's function and mental resistance to decline, thus affecting the function of the endocrine.