Sagging breasts after childbirth is a normal phenomenon, because the estrogen level in the body will drop a lot after weaning, and the breasts will be loose and sagging. If it affects the beauty or life, it needs to be treated. 1.Food therapy. Eat high-protein food, such as pig’s feet, milk or soy products. 2, appropriate breast enlargement exercise. For example, swimming, yoga or breast expansion exercises can increase the pectoral muscles, do not over-exercise, affecting health. 3, surgical treatment. For example, implants, after surgery, we should pay attention to protect the operation area to prevent infection, and in daily life, we should pay attention to prevent the breasts from being collided, and at the same time, we can apply scar removal medicine to remove the operation scars. 4, avoid using irregular breast enlargement products. Most of these products will contain estrogen, which will affect endocrine and cause disruption of hormone levels.