Chest protrusion in babies can be regulated by correcting poor posture, strengthening daily exercise and wearing braces. If the chest is caused by congenital vertebral deformity, surgery should be considered. 1. Correct bad posture: In normal times, we should closely correct the sitting and standing posture, always remind the baby not to hold the chest and hunch back, when walking or standing, we should keep the head held high and the shoulders naturally spread backward, especially pay attention to writing to avoid excessive bowing of the head. 2. Strengthen the daily exercise: parents can teach the baby to do chest expansion exercise, every day to do more chest expansion exercise, and in the chest expansion exercise should try to do so that the two sides of the shoulder blades together. Can also be attached to the wall standing exercise, mainly with the help of the wall, so that the back and the wall to maintain a vertical position, through long-term adherence, is conducive to correcting the problem of baby chest. 3. Wear a corrector: for the more serious baby chest, you can use the camelback corrector, medical support to help correct. However, it should be noted that the corrective device is not recommended for long-term use. 4. Surgery: If the chest is caused by congenital vertebral deformity, when the above conservative treatments are ineffective, it is necessary to consider surgical treatments, such as epiphyseal blockage of one side of the vertebral body, fusion technology, non-fusion technology and so on. The baby’s chest protrusion mainly depends on the baby’s strong will and the close supervision of the parents, and the baby should keep his/her head consciously held high and his/her chest held out. If you find that your baby is holding his/her chest, you need to bring him/her to the hospital in time for targeted treatment or corrective and other rehabilitative treatments under the guidance of the doctor.