Bone destruction at the base of the skull refers to the possible presence of tumor disease in the brain, which can have some effect on the surrounding bone or tissue compression, gradually thinning or thickening the bones or causing the bone structure to disappear. It may also refer to abnormalities in the head caused by car accidents and head trauma, which can easily cause bone destruction at the base of the skull. If the tumor is an early symptom, the bone at the base of the skull has not yet been invaded and will not cause symptoms of bone destruction. If the bone at the base of the skull is damaged, it means that the tumor has grown larger and invaded the bone, which may cause cerebrospinal fluid leakage from the nose and symptoms such as runny nose and nasal bleeding. Once this situation occurs, it is necessary to do relevant examinations in time, and timely and thorough removal of the tumor can be better treated. Bone destruction at the base of the skull caused by trauma usually requires absolute bed rest. If there is no obvious improvement in the later stage, surgery should be considered. Bone destruction at the base of the skull should go to the hospital as soon as possible to rule out lesions through CT examination of the brain. If the bone destruction at the base of the skull is caused by tumor or trauma or car accident factors, timely treatment and regular follow-up are very important. However, there are corresponding risks associated with surgery, so it is important to cooperate with your doctor to carefully choose the treatment according to your condition.