There are several common reasons why female patients’ shoulders become wider after giving birth, i. Widening of the shoulders caused by obesity. In order to produce high-quality milk and promote fetal development, female patients will eat a lot of high-protein, high-fat food, while less physical exercise, which will result in a large amount of fat accumulation in the shoulders, manifested as shoulder broadening. At this time, patients can properly adjust the diet structure, eat more vegetables, fruits, reduce greasy food intake, appropriate exercise, such as running, sit-ups, high leg lifting, deep squatting, can effectively promote the metabolism of the body’s fatty tissues, to alleviate the symptoms of shoulder widening. Secondly, in the process of women’s production, due to the opening of the body’s bone joints, after the production of the shoulders and bones can be manifested as a wide performance, which is a normal physiological phenomenon. This is a normal physiological phenomenon. Most of the patients can slowly return to normal after giving birth, so there is no need to worry too much.