Sagging and smaller breasts after giving birth can be restored through supplemental nutrition, functional exercise and surgery. Postpartum due to lower hormone levels, the breasts lose the maintenance of estrogen, coupled with postpartum breastfeeding, can lead to smaller sagging and loose breasts, which is a normal physiological process. However, for women who love beauty and want to recover from smaller sagging and loose breasts after giving birth, they can be restored through supplemental nutrition, functional exercises and surgical methods. Patients can eat more collagen-rich and fat-rich foods to increase the fat in the breasts and relieve shrinkage. Functional exercise means that you can usually do chest expansion exercise to expand the support function of the pectoralis major muscle and enhance the strength of the muscle to make the breasts look firm. If the effect is not good, you can go to the hospital for surgical recovery as prescribed by the doctor. Mild ptosis can be enhanced by breast augmentation surgery, including implantation of breast implants and autologous fat injection to enlarge the breasts, increase the content of the sagging breasts and improve the appearance of the breasts. For severe ptosis, breast lift and fixation is recommended. If the sagging breasts become smaller after giving birth to a baby, and if it seriously affects your life, it is recommended to go to the hospital in time and choose the appropriate surgery to help you recover under the advice of your doctor.