Disease analysis: Hello, cranial cavity stenosis is caused by premature closure of cranial suture during growth and development, which makes the cranial cavity narrow and can not adapt to the normal development of the brain. It can be manifested as increased intracranial pressure, developmental retardation, mental retardation, abnormal mental activity, seizures and other symptoms. Guidance: Surgery is the first choice for treatment, mostly for cosmetic purposes, and it is usually performed from 6 months after birth to 1 year. It's possible.