Smaller, dryer and shrunken breasts after weaning is a normal phenomenon that can be treated through improved diet, exercise and sports, and surgical treatment. 1. Improve diet: maternal breasts will become small and dry after weaning shrinkage, you can eat protein-rich foods to improve, such as soy products, dairy products, lean meat and so on. 2. Exercise: Some exercises, such as chest expansion exercises, will make the breasts become firm and also make the pectoralis major muscle larger, visually making the breasts bigger. 3. Surgical treatment: Breast augmentation surgery is a kind of surgery to enlarge small breasts that are not developed, also known as breast enlargement surgery. At this stage, there are 3 common breast augmentation surgeries, which are breast implant surgery, autologous fat grafting breast augmentation surgery, and breast injection surgery. After weaning, the breasts become smaller and shriveled, shrinkage is a normal physiological phenomenon, mothers should not worry too much, if there is a need to make the breasts bigger and firmer, it is recommended to go to a regular hospital for treatment.