1, stand against the wall for half an hour to an hour every day, practice standing posture against the wall, and stick your calves, hips, shoulders and back of your head directly against the wall.
2, wearing physical correction shoes, also known as physical training shoes, is very useful. This will make your center of gravity habitually backward, not only to correct hunchback, but also to wear a good figure.
3, practice push-ups, the action should be standard.