Most people’s skull protrusion on both sides is a normal phenomenon, but there are still some caused by osteoporosis, bone tumor and so on, which is an abnormal phenomenon. For most people, the protrusion of both sides of the skull is a manifestation of the occipital bone protrusion, without other abnormal symptoms, it is a normal phenomenon, especially for people with thin body type, the protrusion of both sides of the skull is more obvious. Some people need to be alert to osteoporosis caused by cranial bone abnormality, which is an abnormal phenomenon, but also easy to be accompanied by headache, easy to fatigue and other symptoms. When there are bone tumors on both sides of the skull, patients will experience pain, localized lumps and other symptoms, which can also be manifested as protruding on both sides of the skull, which is an abnormal phenomenon and needs to be taken seriously. If the bone tumor patients do not pay attention to, it is easy to lead to the aggravation of the condition, endangering the safety of life. If the baby’s skull protrudes on both sides, should also be alert to vitamin D deficiency rickets, also belongs to the abnormal phenomenon. If in addition to the protruding sides of the skull, accompanied by other symptoms of discomfort, should be timely medical treatment. Daily attention to rest, avoid emotional fluctuations.