After breastfeeding, due to the emptying of milk and the degeneration of breast tissue, it will lead to breast shrinkage and sagging, which is mostly a normal physiological phenomenon. Therefore, if you want to change the situation of small breasts after breastfeeding, deal with the following: 1, should adjust the diet structure, eat more high-quality protein and high-fat food, and actively gain weight; moderate breast expansion exercise, increase the elasticity of the breast skin and pectoralis major muscle, to a certain extent can improve the situation of small breasts; 2, can be breast massage, by promoting the release of estrogen, causing parenchymal hyperplasia and interstitial congestion and edema, to achieve the purpose of breast enlargement; 3, if the small breasts affect the aesthetics, you can go to a regular plastic surgery hospital to perform augmentation. 3, if the breast is too small to affect the aesthetics, you can go to a regular plastic surgery hospital to perform breast augmentation surgery, but the surgical invasion is large, after surgery may cause skin flap necrosis or surgery does not achieve the desired effect, so should be carefully considered. If the breast becomes smaller after breastfeeding, women should not worry too much, can be a reasonable diet and active exercise, if necessary, surgical treatment, more can alleviate the situation of small breasts.