Sunken Baihui points may be caused by congenital dysplasia or external impacts. 1. Congenital dysplasia: The Hundred Hierarchical Points are sunken due to genes or hereditary factors, which usually have no effect and do not require special treatment. 2. Acquired external impact: head impact, due to the force caused by the depression of the metacarpal points, should go to the hospital for examination and treatment, to avoid infection, to check whether there is a concussion or brain hemorrhage and other brain diseases, to avoid delaying the treatment. If you have any other discomfort, it is recommended that you go to the hospital for an examination to clarify the cause of the illness and avoid delaying treatment.