Brow bone protrusion forehead depression, may be due to the following several reasons: First, may be due to some normal bony protrusion around the arch of the eyebrow, some patients due to genetic factors, will be in the arch of the eyebrow this position, that is, the bilateral eyebrow hair below and between the two eyebrows, produce some more obvious bony protrusion. This is a physiological condition that causes the bony protrusions below the eyebrows to be very obvious and the forehead to be relatively depressed. Secondly, it may be caused by some old injuries here, such as the patient’s previous impact on the forehead area, resulting in some depressed fractures of the frontal bone here, which may occur after recovery. In addition, if the arch of the eyebrow is impacted bilaterally, it may produce some excessive bone growth during the recovery process, which may also lead to the above-mentioned lesions. Third, it may be caused by some bony hyperplasia around the arch of the eyebrow, such as the appearance of bone warts or bone tumors in this area.