The right side of the rib cage below the depression may have occurred fracture, scoliosis, vitamin D deficiency, etc., should be timely consultation to identify the cause of the disease. 1. Fracture: If the ribs have been fractured, resulting in localized deformity of the ribs and other adjacent ribs, there will be a difference in shape and form, giving a feeling of depression, which is also prone to the formation of rib depression. 2. Scoliosis: There is also the possibility of scoliosis. One side of the ribs and the other side of the ribs appear asymmetrical phenomenon, if one side of the ribs protrudes, the formation of rib depression, usually there will be several ribs at the same time the situation of depression. 3. Lack of vitamin D: If the body lacks vitamin D, it is also easy to have sunken ribs. Therefore, you should check the trace elements of your body regularly, and if you are deficient in vitamin D, you need to supplement it in time, and you should also follow the doctor’s advice and take some medicines to supplement it correctly. As this symptom alone can not determine the disease, and do not rule out that it is caused by other factors. It is recommended that the patient consult a doctor in time to clarify the cause of the disease and give targeted treatment.