A large and small chest can be corrected through surgical and non-surgical methods, the specific correction method and the cause of a large and small chest has a certain relationship. 1. If it is caused by congenital developmental abnormality, it can be improved by breast augmentation surgery after the patient becomes an adult, taking into account the physical condition of the body. 2. If it is in the developmental stage, the body nutrition is too lack of, thus leading to breast underdevelopment, in this stage can not take treatment measures, because the body is in the developmental stage, the breast is not yet fully developed. Daily diet should be balanced intake, strengthen the body’s nutrition. Daily can also do more chest expansion exercise, through a long time to adhere to may also correct the phenomenon of a large and small breasts. 3. If breastfeeding is caused by the accumulation of breast milk, a small breast, can be operated by a professional, the accumulation of breast milk can be relieved after emptying. If the milk accumulates in the breast for a long time, it may cause mastitis. 4. In addition, a small chest may also be caused by breast disease, such as mastitis, this time you need to take penicillin, cephalosporin and other antibiotics, if the local formation of obvious abscess, you need to cut and drain. If the cause of a small chest is more reasons, the patient in the correction before the need to go to the hospital for relevant examination, combined with the condition of the corresponding measures to take treatment.