Rib ectropion refers to the situation where the edge of the lowest rib exceeds the outer edge of the body, which belongs to the developmental deformity of the ribs, and can be improved through chest expansion exercise, medication, wearing a brace to correct the situation, or surgical treatment. 1. Chest expansion exercise: Chest expansion exercise can improve the symptoms of rib ectropion, but it should be persisted for a long time. 2. Medication: If the rib ectropion is caused by calcium deficiency and the symptoms are mild, you can take calcium supplements and tablets under the guidance of professional doctors in addition to chest expansion exercise. 3. Wearing a brace to correct the problem: If it is congenital rib ectropion, it is common in younger children and can be corrected by wearing a brace. 4. Surgical correction: If the rib ectropion is more serious, accompanied by abnormal shape, even to the heart, lungs and other organs caused by compression, we should consider surgical treatment. In case of rib ectropion, it is recommended to go to orthopedics department of regular hospital for consultation and examination as soon as possible, to clarify the severity of rib deformity development, and to have the condition evaluated and analyzed by professional doctors, to formulate the next step of treatment plan.