A depression in the middle of the forehead may be caused by congenital or acquired factors, either congenital or acquired, and usually requires surgical repair. Common causes are firstly considered to be due to congenital abnormal skull development, and secondly considered to be due to acquired trauma resulting in skull fracture and abnormal closure during the growth and healing process, which can lead to a depression in the middle of the forehead. There may also be local muscle or skin damage, lesions, which leads to the forehead depression in the middle. Treatment 1, congenital cranial development abnormality: congenital depression can be surgically repaired by filling local autologous tissue, such as using own ribs, tibia, scapula, etc.; 2, fracture: if the depression occurs after trauma leading to fracture, surgical correction treatment can be chosen; 3, local soft tissue injury: if the depression is caused by local soft tissue or skin abnormality, it can be treated by artificial materials, such as silicone, tumescent, etc. for filling repair. If the patient meets the indications for surgery, it is recommended that timely treatment be performed. One is to avoid skull invagination, which may lead to brain tissue compression or contusion, which may easily cause epilepsy and may also lead to increased intracranial pressure or brain herniation. The second is to avoid affecting the aesthetics. The presence of a depression in the middle of the forehead can easily bring greater psychological pressure to the patient or produce low self-esteem. Patients are advised to maintain an optimistic attitude and actively cooperate with the doctor for treatment or repair. After surgery, careful care is needed to change the medicine in time, keep the affected area clean and dry to avoid infection, and also to avoid further trauma.