Chicken breast is caused by overgrowth of ribs and rib cartilage, and is also related to genetics, diseases and other factors. Whether or not the chicken chest will disappear when the child grows up depends on the severity of the condition, with milder conditions recovering and more severe conditions requiring treatment. In children with mild symptoms, the thoracic deformity is usually not serious, usually does not affect the cardiopulmonary function, there are no obvious symptoms, and the chicken chest can gradually disappear when they grow up. In severe cases, the anterior and posterior diameter of the thorax is lengthened, which may affect the ventilation of the lungs, resulting in weakness, fatigue, shortness of breath, recurrent respiratory infections and asthma. It is difficult to disappear when the child grows up and requires surgical treatment. Children need to strengthen the nutrition, appropriate supplementation of calcium and other substances, to prevent vitamin D deficiency, to maintain normal metabolism, severe deformity of children need to be through the sternum turning method, sternum sinking method and other surgical methods for treatment.